CVE-2011-4499 - CVE House
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Status published High CVE-2011-4499

The UPnP IGD implementation in the Broadcom UPnP stack on...

Vulnerability Description

The UPnP IGD implementation in the Broadcom UPnP stack on the Cisco Linksys WRT54G with firmware before 4.30.5, WRT54GS v1 through v3 with firmware before 4.71.1, and WRT54GS v4 with firmware before 1.06.1 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

linksys wrt54g router firmware, wrt54g, linksys wrt54gs router firmware, wrt54gs
Vulnerable Versions:
0, 3.03.9, 4.20.7, 2.2, 2.09.1, 1.0, 2.0, 3.0, 4.0

Timeline

Official Publish: November 22nd, 2011
Last Modified: September 17th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.