CVE-2011-4506: Technicolor TG585 Router

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

The UPnP IGD implementation on the Thomson (aka Technicolor) TG585 with firmware 7.x before 7.4.3.2 allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN interface, related to an "external forwarding" vulnerability.

Affected products

• Technicolor TG585 Router
• Technicolor TG585 Router Firmware: up to and including 7.4

Published 2011-11-22. Last modified 2026-06-16.