CVE-2011-4500
HIGH · CVSS 7.5EPSS 1.3%EU EUVD
The UPnP IGD implementation on the Cisco Linksys WRT54GX with firmware 2.00.05, when UPnP is enabled, configures the SOAP server to listen on the WAN port, which allows remote attackers to administer the firewall via SOAP requests.
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-2011-4426)
- 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-2011-4426 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / linksys wrt54gx router firmware
- linksys / wrt54gx
References
- http://www.kb.cert.org/vuls/id/357851(US Government Resource)
- http://www.upnp-hacks.org/devices.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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