kbrain

CVE-2011-4506

HIGH · CVSS 7.5EPSS 1.3%EU EUVD

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.

Key facts

CVSS score
7.5 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE)
CWE-16
EPSS score
1.3% (71th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-4432)
Published
November 22, 2011
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4432 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

  • technicolor / tg585 router
  • technicolor / tg585 router firmware

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain