Cisco Ip Phone 7841 Firmware vulnerabilities

CVE-2025-20350 [HIGH] CWE-121 CVE-2025-20350: A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to a buffer overflow when an affected device processes HTTP packets. An attac

CVE-2025-20351 [MEDIUM] CWE-79 CVE-2025-20351: A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 running Cisco SIP Software could allow an unauthenticated, remote attacker to conduct XSS attacks against a user of the web UI. This vulnerability exists because the web UI of an affected device does not sufficiently validate

CVE-2025-20336 [MEDIUM] CWE-200 CVE-2025-20336: A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 an 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 sensitive information on an affected device. This vulnerability exists because the product exposes sensitive information to an actor that is not expli

CVE-2025-20335 [MEDIUM] CWE-284 CVE-2025-20335: A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 an 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 arbitrary files on an affected device. This vulnerability is due to a lack of proper authentication controls. An attacker could exploit this vulnerabil

CVE-2021-1379 [MEDIUM] CWE-120 CVE-2021-1379: Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLD Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations for Cisco IP Phone Series 68xx/78xx/88xx could allow an unauthenticated, adjacent attacker to execute code remotely or cause a reload of an affected IP phone. These vulnerabilities are due to missing checks when the IP phone processes a Ci

CVE-2024-20445 [MEDIUM] CWE-200 CVE-2024-20445: A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, 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 information on an affected device. This vulnerability is due to improper storage of sensitive information within the web UI of Session Initiation Protocol (

CVE-2023-20078 [CRITICAL] CWE-121 CVE-2023-20078: Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allo 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) condition. For more information about these vulnerabilities, see the Details section of this advisory.

CVE-2023-20079 [CRITICAL] CWE-121 CVE-2023-20079: Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allo 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) condition. For more information about these vulnerabilities, see the Details section of this advisory.

CVE-2023-20018 [HIGH] CWE-288 CVE-2023-20018: A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones 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. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the

CVE-2022-20968 [HIGH] CWE-787 CVE-2022-20968: A vulnerability in the Cisco Discovery Protocol processing feature of Cisco IP Phone 7800 and 8800 S 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 affected device. This vulnerability is due to insufficient input validation of received Cisco Discovery Protocol packets. An attacker could exploit this vu

CVE-2022-20774 [MEDIUM] CWE-345 CVE-2022-20774: A vulnerability in the web-based management interface of Cisco IP Phone 6800, 7800, and 8800 Series 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 request forgery (CSRF) attack against a user of the web-based interface of an affected system. This vulnerability is due to insufficient CSRF protection

CVE-2022-20660 [MEDIUM] CWE-312 CVE-2022-20660: A vulnerability in the information storage architecture of several Cisco IP Phone models could allow A vulnerability in the information storage architecture of several Cisco IP Phone models could allow an unauthenticated, physical attacker to obtain confidential information from an affected device. This vulnerability is due to unencrypted storage of confidential information on an affected device. An attacker could exploit this vulnerability by phys

CVE-2021-34711 [MEDIUM] CWE-36 CVE-2021-34711: A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local at 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. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by providing crafted input to a debug shell command. A successful exploit could allow the attack

CVE-2020-3161 [CRITICAL] CWE-20 CVE-2020-3161: A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacke 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 denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerabi

CVE-2020-3111 [HIGH] CWE-20 CVE-2020-3111: A vulnerability in the Cisco Discovery Protocol implementation for the Cisco IP Phone could allow an 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 of an affected IP phone. The vulnerability is due to missing checks when processing Cisco Discovery Protocol messages. An attacker could exploit this vulner

CVE-2019-16008 [MEDIUM] CWE-79 CVE-2019-16008: A vulnerability in the web-based GUI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatfor A vulnerability in the web-based GUI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based interface of an affected system. The vulnerability is due to insufficient validation of user-supplied input by the w

CVE-2019-1635 [HIGH] CWE-399 CVE-2019-1635: A vulnerability in the call-handling functionality of Session Initiation Protocol (SIP) Software for 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 cause an affected phone to reload unexpectedly, resulting in a temporary denial of service (DoS) condition. The vulnerability is due to incomplete error handlin

CVE-2019-1684 [MEDIUM] CWE-399 CVE-2019-1684: A vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol (LLDP) implementati 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 cause an affected phone to reload unexpectedly, resulting in a temporary denial of service (DoS) condition. The vulnerability is due to missing length va