CVE-2023-20126 (spa112_firmware)

A vulnerability in the web-based management interface of Cisco SPA112 2-Port Phone Adapters could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to a missing authentication process within the firmware upgrade function. An attacker could exploit this vulnerability by upgrading an affected device to a crafted version of firmware. A successful exploit could allow the attacker to execute arbitrary code on the affected device with full privileges. Cisco has not released …

authentication cisco cisco spa112 2-port phone adapters code cve device exploit firmware function interface management missing phone port process the web upgrade version vulnerability web