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Case File

CVE-2011-4504

HIGH · CVSS 7.5 EPSS 1.43%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-11-22 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may be remotely exploitable.

CVE
CVE-2011-4504
Severity
HIGH
CVSS
7.5
EPSS
1.43%

Original NVD Description

The UPnP IGD implementation in the Pseudo ICS UPnP software on the ZyXEL P-330W 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.