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TI-2011-03872 Aliases CVE-2011-4500GHSA-q2fp-xmhf-wjcx

The UPnP IGD implementation on the Cisco Linksys WRT54GX with firmware 2.00.05, when UPnP…

Priority LOW 35CWE-16Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01309 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:cisco:linksys_wrt54gx_router_firmware:2.00.05:*:*:*:*:*:*:*2.00.05VulnerableCisco
cpe:2.3:h:linksys:wrt54gx:2.0:*:*:*:*:*:*:*2.0VulnerableLinksys
  • cpe:2.3:a:cisco:linksys_wrt54gx_router_firmware:2.00.05:*:*:*:*:*:*:* Versions 2.00.05 Vulnerable ·Cisco
  • cpe:2.3:h:linksys:wrt54gx:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Linksys

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-4500
  2. 2026-10-03 Alias added: GHSA-q2fp-xmhf-wjcx

References

Advisory 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences