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Vpn50 Firmware

21 CVEs product

Monthly

CVE-2023-33010 May 24, 13:15 CRITICAL KEV THREAT Act Now

A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Zyxel Usg 40 Firmware Usg 40W Firmware +21
NVD
CVSS 3.1
9.8
EPSS
28.8%
CVE-2023-33009 May 24, 13:15 CRITICAL KEV THREAT Act Now

A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Zyxel Usg 40 Firmware Usg 40W Firmware +21
NVD
CVSS 3.1
9.8
EPSS
28.1%
CVE-2023-28771 Apr 25, 02:15 CRITICAL POC KEV THREAT Emergency

Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35,. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Command Injection Zyxel Zywall Usg 100 Firmware Atp200 Firmware Atp500 Firmware +16
NVD
CVSS 3.1
9.8
EPSS
99.3%
CVE-2023-27991 Apr 24, 18:15 HIGH This Week

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W). Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Command Injection Zyxel Usg 20W Vpn Firmware Atp200 Firmware Atp500 Firmware +16
NVD
CVSS 3.1
8.8
EPSS
1.5%
CVE-2023-27990 Apr 24, 18:15 MEDIUM This Month

The cross-site scripting (XSS) vulnerability in Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS Zyxel Usg 20W Vpn Firmware Atp200 Firmware Atp500 Firmware +16
NVD
CVSS 3.1
4.8
EPSS
0.3%
CVE-2023-22918 Apr 24, 18:15 MEDIUM PATCH This Month

A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.

Information Disclosure Zyxel Nwa50Ax Firmware Nwa50Ax Pro Firmware Nwa55Axe Firmware +48
NVD
CVSS 3.1
6.5
EPSS
0.8%
CVE-2023-22917 Apr 24, 17:15 HIGH This Week

A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware versions 5.10 through 5.32, USG FLEX series firmware versions 5.00 through 5.32, USG FLEX 50(W) firmware. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Zyxel Usg 20W Vpn Firmware Atp200 Firmware Atp500 Firmware +15
NVD
CVSS 3.1
7.5
EPSS
0.9%
CVE-2023-22916 Apr 24, 17:15 HIGH This Week

The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5.35, USG FLEX 50(W) firmware versions 5.10 through 5.35, USG20(W)-VPN. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Zyxel Usg 20W Vpn Firmware Atp200 Firmware Atp500 Firmware +15
NVD
CVSS 3.1
8.1
EPSS
0.7%
CVE-2023-22915 Apr 24, 17:15 HIGH This Week

A buffer overflow vulnerability in the “fbwifi_forward.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.30 through 5.35, USG20(W)-VPN. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Zyxel Usg 20W Vpn Firmware Vpn50 Firmware Vpn100 Firmware +9
NVD
CVSS 3.1
7.5
EPSS
1.1%
CVE-2023-22914 Apr 24, 17:15 HIGH This Week

A path traversal vulnerability in the “account_print.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Path Traversal Zyxel Vpn50 Firmware Vpn100 Firmware Vpn300 Firmware +8
NVD
CVSS 3.1
7.2
EPSS
1.0%
CVE-2023-22913 Apr 24, 17:15 HIGH This Week

A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Command Injection Zyxel Vpn50 Firmware Vpn100 Firmware Vpn300 Firmware +8
NVD
CVSS 3.1
8.1
EPSS
1.3%
CVE-2022-40603 Dec 06, 02:15 MEDIUM This Month

A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Zyxel Atp200 Firmware Atp500 Firmware Atp800 Firmware +16
NVD VulDB
CVSS 3.1
6.1
EPSS
0.4%
CVE-2022-26532 May 24, 06:15 HIGH This Week

A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Code Injection Zyxel Nwa50Ax Firmware Nwa55Axe Firmware Nwa90Ax Firmware +62
NVD
CVSS 3.1
7.8
EPSS
4.8%
CVE-2022-26531 May 24, 06:15 HIGH This Week

Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Buffer Overflow Zyxel Nwa50Ax Firmware Nwa55Axe Firmware Nwa90Ax Firmware +62
NVD
CVSS 3.1
7.8
EPSS
5.8%
CVE-2022-0910 May 24, 03:15 MEDIUM This Month

A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.32 through 4.71, USG FLEX series firmware. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Zyxel Usg2200 Firmware Usg 20W Firmware Usg 40 Firmware +29
NVD
CVSS 3.1
6.5
EPSS
0.7%
CVE-2022-0734 May 24, 03:15 MEDIUM This Month

A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.35 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Zyxel Usg2200 Firmware Usg 20W Firmware Usg 40 Firmware +29
NVD
CVSS 3.1
6.1
EPSS
8.4%
CVE-2022-30525 May 12, 14:15 CRITICAL POC KEV THREAT Emergency

A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Command Injection Zyxel Atp200 Firmware Atp500 Firmware Atp800 Firmware +13
NVD Exploit-DB
CVSS 3.1
9.8
EPSS
99.9%
CVE-2022-0342 Mar 28, 13:15 CRITICAL POC THREAT Act Now

An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Zyxel Zywall 110 Firmware Zywall 1100 Firmware Zywall 310 Firmware +20
NVD
CVSS 3.1
9.8
EPSS
84.8%
CVE-2020-29583 Dec 22, 22:15 CRITICAL POC KEV THREAT Act Now

Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Zyxel Usg2200 Firmware Atp200 Firmware Atp500 Firmware +27
NVD
CVSS 3.1
9.8
EPSS
90.0%
CVE-2020-9054 Mar 04, 20:15 CRITICAL POC KEV THREAT Act Now

Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Zyxel Usg2200 Firmware Nas326 Firmware +25
NVD
CVSS 3.1
9.8
EPSS
100.0%
CVE-2019-9955 Apr 22, 20:29 MEDIUM POC PATCH THREAT This Month

On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, ZyWALL 1100 devices, the security. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

XSS Zyxel Zywall 110 Firmware Zywall 1100 Firmware Zywall 310 Firmware +18
NVD Exploit-DB
CVSS 3.0
6.1
EPSS
20.9%
EPSS 29% CVSS 9.8
CRITICAL KEV THREAT Act Now

A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Zyxel +23
NVD
EPSS 28% CVSS 9.8
CRITICAL KEV THREAT Act Now

A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Zyxel +23
NVD
EPSS 99% CVSS 9.8
CRITICAL POC KEV THREAT Emergency

Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35,. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Command Injection Zyxel Zywall Usg 100 Firmware +18
NVD
EPSS 2% CVSS 8.8
HIGH This Week

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W). Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Command Injection Zyxel Usg 20W Vpn Firmware +18
NVD
EPSS 0% CVSS 4.8
MEDIUM This Month

The cross-site scripting (XSS) vulnerability in Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

XSS Zyxel Usg 20W Vpn Firmware +18
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.

Information Disclosure Zyxel Nwa50Ax Firmware +50
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware versions 5.10 through 5.32, USG FLEX series firmware versions 5.00 through 5.32, USG FLEX 50(W) firmware. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Zyxel Usg 20W Vpn Firmware +17
NVD
EPSS 1% CVSS 8.1
HIGH This Week

The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5.35, USG FLEX 50(W) firmware versions 5.10 through 5.35, USG20(W)-VPN. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Zyxel Usg 20W Vpn Firmware +17
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A buffer overflow vulnerability in the “fbwifi_forward.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.30 through 5.35, USG20(W)-VPN. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Zyxel Usg 20W Vpn Firmware +11
NVD
EPSS 1% CVSS 7.2
HIGH This Week

A path traversal vulnerability in the “account_print.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Path Traversal Zyxel Vpn50 Firmware +10
NVD
EPSS 1% CVSS 8.1
HIGH This Week

A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Command Injection Zyxel Vpn50 Firmware +10
NVD
EPSS 0% CVSS 6.1
MEDIUM This Month

A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Zyxel Atp200 Firmware +18
NVD VulDB
EPSS 5% CVSS 7.8
HIGH This Week

A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Code Injection Zyxel Nwa50Ax Firmware +64
NVD
EPSS 6% CVSS 7.8
HIGH This Week

Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Buffer Overflow Zyxel Nwa50Ax Firmware +64
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.32 through 4.71, USG FLEX series firmware. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass Zyxel Usg2200 Firmware +31
NVD
EPSS 8% CVSS 6.1
MEDIUM This Month

A cross-site scripting vulnerability was identified in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.35 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

XSS Zyxel Usg2200 Firmware +31
NVD
EPSS 100% CVSS 9.8
CRITICAL POC KEV THREAT Emergency

A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Command Injection Zyxel Atp200 Firmware +15
NVD Exploit-DB
EPSS 85% CVSS 9.8
CRITICAL POC THREAT Act Now

An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Zyxel Zywall 110 Firmware +22
NVD
EPSS 90% CVSS 9.8
CRITICAL POC KEV THREAT Act Now

Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Zyxel Usg2200 Firmware +29
NVD
EPSS 100% CVSS 9.8
CRITICAL POC KEV THREAT Act Now

Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RCE Command Injection Zyxel +27
NVD
EPSS 21% CVSS 6.1
MEDIUM POC PATCH THREAT This Month

On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, ZyWALL 1100 devices, the security. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

XSS Zyxel Zywall 110 Firmware +20
NVD Exploit-DB

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