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Vpn100 Firmware

21 CVEs product

Monthly

CVE-2023-33010 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.

Buffer Overflow RCE Zyxel Atp100 Firmware Atp200 Firmware +21
NVD
CVSS 3.1
9.8
EPSS
28.8%
CVE-2023-33009 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.

Buffer Overflow RCE Zyxel Atp100 Firmware Atp200 Firmware +21
NVD
CVSS 3.1
9.8
EPSS
28.1%
CVE-2023-28771 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 Atp100 Firmware Atp100W Firmware Atp200 Firmware +16
NVD
CVSS 3.1
9.8
EPSS
99.3%
CVE-2023-27991 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 Atp200 Firmware Atp100 Firmware Atp700 Firmware +16
NVD
CVSS 3.1
8.8
EPSS
1.5%
CVE-2023-27990 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 Atp200 Firmware Atp100 Firmware Atp700 Firmware +16
NVD
CVSS 3.1
4.8
EPSS
0.3%
CVE-2023-22918 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 Atp200 Firmware Atp100 Firmware Atp700 Firmware +48
NVD
CVSS 3.1
6.5
EPSS
0.8%
CVE-2023-22917 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 Flex 100 Firmware Usg Flex 100W Firmware Usg Flex 200 Firmware +15
NVD
CVSS 3.1
7.5
EPSS
0.9%
CVE-2023-22916 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 Flex 100 Firmware Usg Flex 100W Firmware Usg Flex 200 Firmware +15
NVD
CVSS 3.1
8.1
EPSS
0.7%
CVE-2023-22915 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 Flex 100 Firmware Usg Flex 100W Firmware Usg Flex 200 Firmware +9
NVD
CVSS 3.1
7.5
EPSS
1.1%
CVE-2023-22914 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 Usg Flex 100 Firmware Usg Flex 100W Firmware Usg Flex 200 Firmware +8
NVD
CVSS 3.1
7.2
EPSS
1.0%
CVE-2023-22913 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 Usg Flex 100 Firmware Usg Flex 100W Firmware Usg Flex 200 Firmware +8
NVD
CVSS 3.1
8.1
EPSS
1.3%
CVE-2022-40603 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.

Zyxel XSS Atp800 Firmware Atp700 Firmware Atp500 Firmware +16
NVD
CVSS 3.1
6.1
EPSS
0.4%
CVE-2022-26532 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 Vpn100 Firmware Vpn1000 Firmware Vpn300 Firmware +62
NVD
CVSS 3.1
7.8
EPSS
4.8%
CVE-2022-26531 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 Vpn100 Firmware Vpn1000 Firmware Vpn300 Firmware +62
NVD
CVSS 3.1
7.8
EPSS
5.8%
CVE-2022-0910 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 Vpn100 Firmware Vpn1000 Firmware Vpn300 Firmware +29
NVD
CVSS 3.1
6.5
EPSS
0.7%
CVE-2022-0734 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 Vpn100 Firmware Vpn1000 Firmware Vpn300 Firmware +29
NVD
CVSS 3.1
6.1
EPSS
8.4%
CVE-2022-30525 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 Usg Flex 100W Firmware Usg Flex 200 Firmware Usg Flex 500 Firmware +13
NVD Exploit-DB
CVSS 3.1
9.8
EPSS
99.9%
CVE-2022-0342 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 Usg40 Firmware Usg40W Firmware Usg60 Firmware +20
NVD
CVSS 3.1
9.8
EPSS
84.8%
CVE-2020-29583 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.

Zyxel Information Disclosure Usg20 Vpn Firmware Usg20W Vpn Firmware Usg40 Firmware +27
NVD
CVSS 3.1
9.8
EPSS
90.0%
CVE-2020-9054 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.

Zyxel Command Injection RCE Nas326 Firmware Nas520 Firmware +25
NVD
CVSS 3.1
9.8
EPSS
100.0%
CVE-2019-9955 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 Atp200 Firmware Atp500 Firmware Atp800 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.

Buffer Overflow RCE 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.

Buffer Overflow RCE 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 Atp100 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 Atp200 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 Atp200 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 Atp200 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 Flex 100 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 Flex 100 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 Flex 100 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 Usg Flex 100 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 Usg Flex 100 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.

Zyxel XSS Atp800 Firmware +18
NVD
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 Vpn100 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 Vpn100 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 Vpn100 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 Vpn100 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 Usg Flex 100W 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 Usg40 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.

Zyxel Information Disclosure Usg20 Vpn 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.

Zyxel Command Injection RCE +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 Atp200 Firmware +20
NVD Exploit-DB

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