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Ip Phone 8811 Firmware

16 CVEs product

Monthly

CVE-2020-3161 Apr 15, 20:15 CRITICAL POC KEV THREAT Act Now

A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a. 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.

Denial Of Service Cisco Ip Phone 7811 Firmware Ip Phone 7821 Firmware Ip Phone 7841 Firmware +10
NVD Exploit-DB
CVSS 3.1
9.8
EPSS
83.7%
CVE-2025-20336 Sep 03, 18:15 MEDIUM This Month

A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Cisco Video Phone 8875 Firmware Desk Phone 9871 Firmware Desk Phone 9841 Firmware +14
NVD
CVSS 3.1
5.3
EPSS
0.0%
CVE-2025-20335 Sep 03, 18:15 MEDIUM This Month

A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to write. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Video Phone 8875 Firmware Desk Phone 9871 Firmware Desk Phone 9841 Firmware +14
NVD
CVSS 3.1
5.3
EPSS
0.1%
CVE-2024-20445 Nov 06, 17:15 MEDIUM This Month

A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Cisco Video Phone 8875 Firmware Desk Phone 9871 Firmware Desk Phone 9841 Firmware +15
NVD
CVSS 3.1
5.3
EPSS
0.4%
CVE-2023-20079 Mar 03, 16:15 HIGH This Week

Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Denial Of Service Cisco Stack Overflow +21
NVD
CVSS 3.1
7.5
EPSS
10.3%
CVE-2023-20078 Mar 03, 16:15 CRITICAL Act Now

Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Denial Of Service Cisco Stack Overflow +17
NVD
CVSS 3.1
9.8
EPSS
10.4%
CVE-2023-20018 Jan 20, 07:15 MEDIUM This Month

A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Ip Phone 7811 Firmware Ip Phone 7821 Firmware Ip Phone 7841 Firmware +19
NVD
CVSS 3.1
6.5
EPSS
0.6%
CVE-2022-20968 Dec 12, 09:15 HIGH This Week

A vulnerability in the Cisco Discovery Protocol processing feature of Cisco IP Phone 7800 and 8800 Series firmware could allow an unauthenticated, adjacent attacker to cause a stack overflow on an. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Denial Of Service Memory Corruption Cisco +13
NVD
CVSS 3.1
8.8
EPSS
6.1%
CVE-2022-20774 Apr 06, 19:15 HIGH This Week

A vulnerability in the web-based management interface of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could allow an unauthenticated, remote attacker to conduct a cross-site. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service CSRF Cisco Ip Phone 7811 Firmware Ip Phone 7821 Firmware +15
NVD
CVSS 3.1
8.1
EPSS
0.4%
CVE-2021-34711 Oct 06, 20:15 MEDIUM This Month

A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Information Disclosure Cisco Ip Phone 7811 Firmware Ip Phone 7821 Firmware Ip Phone 7841 Firmware +13
NVD
CVSS 3.1
5.5
EPSS
0.3%
CVE-2021-33478 Jul 22, 17:15 MEDIUM This Month

The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Cisco Broadcom Ip Phone 8811 Firmware +14
NVD
CVSS 3.1
6.8
EPSS
0.3%
CVE-2020-3574 Nov 06, 19:15 HIGH PATCH This Week

A vulnerability in the TCP packet processing functionality of Cisco IP Phones could allow an unauthenticated, remote attacker to cause the phone to stop responding to incoming calls, drop connected. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Cisco Ip Phone 8811 Firmware Ip Phone 8841 Firmware Ip Phone 8851 Firmware +5
NVD
CVSS 3.1
7.5
EPSS
7.9%
CVE-2020-3111 Feb 05, 18:15 HIGH This Week

A vulnerability in the Cisco Discovery Protocol implementation for the Cisco IP Phone could allow an unauthenticated, adjacent attacker to remotely execute code with root privileges or cause a reload. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Cisco Ip Phone 7811 Firmware Ip Phone 7821 Firmware Ip Phone 7841 Firmware +30
NVD
CVSS 3.1
8.8
EPSS
3.1%
CVE-2019-1922 Jul 06, 02:15 HIGH This Week

A vulnerability in Cisco SIP IP Phone Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Cisco Ip Phone 7811 Firmware Ip Phone 7821 Firmware +10
NVD
CVSS 3.0
7.5
EPSS
1.3%
CVE-2019-1635 May 03, 15:29 HIGH This Week

A vulnerability in the call-handling functionality of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Cisco Ip Phone 7811 Firmware Ip Phone 7821 Firmware Ip Phone 7841 Firmware +13
NVD
CVSS 3.1
7.5
EPSS
2.0%
CVE-2019-1684 Feb 21, 20:29 MEDIUM This Month

A vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol (LLDP) implementation for the Cisco IP Phone 7800 and 8800 Series could allow an unauthenticated, adjacent attacker to. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Cisco Ip Phone 7811 Firmware Ip Phone 7821 Firmware Ip Phone 7841 Firmware +11
NVD
CVSS 3.1
6.5
EPSS
0.6%
EPSS 84% CVSS 9.8
CRITICAL POC KEV THREAT Act Now

A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a. 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.

Denial Of Service Cisco Ip Phone 7811 Firmware +12
NVD Exploit-DB
EPSS 0% CVSS 5.3
MEDIUM This Month

A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Cisco Video Phone 8875 Firmware +16
NVD
EPSS 0% CVSS 5.3
MEDIUM This Month

A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to write. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Video Phone 8875 Firmware +16
NVD
EPSS 0% CVSS 5.3
MEDIUM This Month

A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Cisco Video Phone 8875 Firmware +17
NVD
EPSS 10% CVSS 7.5
HIGH This Week

Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Denial Of Service +23
NVD
EPSS 10% CVSS 9.8
CRITICAL Act Now

Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Denial Of Service +19
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cisco Ip Phone 7811 Firmware +21
NVD
EPSS 6% CVSS 8.8
HIGH This Week

A vulnerability in the Cisco Discovery Protocol processing feature of Cisco IP Phone 7800 and 8800 Series firmware could allow an unauthenticated, adjacent attacker to cause a stack overflow on an. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Denial Of Service +15
NVD
EPSS 0% CVSS 8.1
HIGH This Week

A vulnerability in the web-based management interface of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could allow an unauthenticated, remote attacker to conduct a cross-site. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service CSRF Cisco +17
NVD
EPSS 0% CVSS 5.5
MEDIUM This Month

A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Information Disclosure Cisco Ip Phone 7811 Firmware +15
NVD
EPSS 0% CVSS 6.8
MEDIUM This Month

The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RCE Buffer Overflow Cisco +16
NVD
EPSS 8% CVSS 7.5
HIGH PATCH This Week

A vulnerability in the TCP packet processing functionality of Cisco IP Phones could allow an unauthenticated, remote attacker to cause the phone to stop responding to incoming calls, drop connected. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Cisco Ip Phone 8811 Firmware +7
NVD
EPSS 3% CVSS 8.8
HIGH This Week

A vulnerability in the Cisco Discovery Protocol implementation for the Cisco IP Phone could allow an unauthenticated, adjacent attacker to remotely execute code with root privileges or cause a reload. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Cisco Ip Phone 7811 Firmware +32
NVD
EPSS 1% CVSS 7.5
HIGH This Week

A vulnerability in Cisco SIP IP Phone Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Cisco +12
NVD
EPSS 2% CVSS 7.5
HIGH This Week

A vulnerability in the call-handling functionality of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Cisco Ip Phone 7811 Firmware +15
NVD
EPSS 1% CVSS 6.5
MEDIUM This Month

A vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol (LLDP) implementation for the Cisco IP Phone 7800 and 8800 Series could allow an unauthenticated, adjacent attacker to. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Cisco Ip Phone 7811 Firmware +13
NVD

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