CVE-2017-12305: Cisco IP Phone 8800 Series Firmware

Medium severity, CVSS 6.7. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability in the debug interface of Cisco IP Phone 8800 series could allow an authenticated, local attacker to execute arbitrary commands, aka Debug Shell Command Injection. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting additional command input to the affected parameter in the debug shell. Cisco Bug IDs: CSCvf80034.

Affected products

• Cisco IP Phone 8800 Series Firmware: any version

Published 2017-11-16. Last modified 2026-06-17.