CVE-2011-4503
Severity CVSS v4.0:
Pending analysis
Type:
CWE-16
Configuration Errors
Publication date:
22/11/2011
Last modified:
11/04/2025
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.
Impact
Base Score 2.0
7.50
Severity 2.0
HIGH
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:broadcom:broadcom_linux:*:*:*:*:*:*:*:* | ||
| cpe:2.3:h:sitecom:wl-111:-:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page



