CVE-2008-0530: Cisco Session Initiation Protocol (sip) Firmware

High severity, CVSS 10.0. EPSS: 5.4% chance of exploitation in the next 30 days.

Buffer overflow in Cisco Unified IP Phone 7940, 7940G, 7960, and 7960G running SCCP and SIP firmware might allow remote attackers to execute arbitrary code via a crafted DNS response.

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.