CVE-2008-0526: Cisco Session Initiation Protocol (sip) Firmware

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Cisco Unified IP Phone 7940, 7940G, 7960, and 7960G running SCCP firmware allows remote attackers to cause a denial of service (reboot) via a long ICMP echo request (ping) packet.

Affected products

• Cisco Session Initiation Protocol (sip) Firmware: any version
• Cisco Skinny Client Control Protocol (sccp) Firmware: any version

Published 2008-02-15. Last modified 2026-06-16.