CVE-2011-4503

N/A Unknown
Published: November 22, 2011 Modified: April 29, 2026
View on NVD

Description

The UPnP IGD implementation in Broadcom Linux on the Sitecom WL-111 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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.kb.cert.org/vuls/id/357851
Source: cve@mitre.org
US Government Resource
http://www.kb.cert.org/vuls/id/357851
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.upnp-hacks.org/suspect.html
Source: af854a3a-2127-422b-91ae-364da2661108

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
2.2%
80th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

sitecom broadcom