CVE-2007-2270: Linksys SPA941

High severity, CVSS 7.8. EPSS: 9.4% chance of exploitation in the next 30 days.

The Linksys SPA941 VoIP Phone allows remote attackers to cause a denial of service (device reboot) via a 0377 (0xff) character in the From header, and possibly certain other locations, in a SIP INVITE request.

Affected products

• Linksys SPA941: any version

Published 2007-04-25. Last modified 2026-06-16.