What’s Vulnerable › Vulnerabilities

CVE-2011-4506

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-11-22 · updated 2026-06-16
• Weakness: CWE-16

Description

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: all versions
• Technicolor Tg585 Router Firmware: through 7.4

References

• http://toor.do/DEFCON-19-Garcia-UPnP-Mapping-WP.pdf
• http://www.kb.cert.org/vuls/id/357851
• http://toor.do/DEFCON-19-Garcia-UPnP-Mapping-WP.pdf
• http://www.kb.cert.org/vuls/id/357851

Get alerted when CVE-2011-4506 or the next vulnerability affects your stack