CVE-2007-0431: Avm Fritzbox

High severity, CVSS 7.8. EPSS: 2.4% chance of exploitation in the next 30 days.

AVM Fritz!Box 7050, and possibly other product models, allows remote attackers to cause a denial of service (VoIP application crash) via a zero-length UDP packet to the SIP port (port 5060).

Affected products

• Avm Fritzbox: version 7050 only

Published 2007-01-23. Last modified 2026-06-16.