Cisco IP Phone is vulnerable to attackers’ unauthenticated remote code
Cisco has discovered a high-severity issue affecting its IP Phone 7800 and 8800 Series, tracked as CVE-2022-20968 (excluding Cisco Wireless IP Phones 8821). An unauthenticated, adjacent attacker might exploit the flaw to cause program flow overruns on a large affected device, which might result in remote code execution (RCE) and denial of service (DoS) attacks.