CVE-2015-0601: Cisco Unified IP Phones 9951 Firmware

Medium severity, CVSS 4.6. EPSS: 0.3% chance of exploitation in the next 30 days.

Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier allow local users to cause a denial of service (device reload) via crafted commands, aka Bug ID CSCup92790.

Affected products

• Cisco Unified IP Phones 9951 Firmware: up to and including 9.4\(.1\)
• Cisco Unified IP Phones 9971 Firmware: up to and including 9.4\(.1\)

Published 2015-02-07. Last modified 2026-06-17.