CVE-2011-4499

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Summary

CVECVE-2011-4499
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-11-22 11:55:04 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe UPnP IGD implementation in the Broadcom UPnP stack on the Cisco Linksys WRT54G with firmware before 4.30.5, WRT54GS v1 through v3 with firmware before 4.71.1, and WRT54GS v4 with firmware before 1.06.1 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.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: CWE-16 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Linksys Wrt54gs Router Firmware 2.09.1 All All All
Application Cisco Linksys Wrt54gs Router Firmware All All All All
Application Cisco Linksys Wrt54gs Router Firmware All All All All
Application Cisco Linksys Wrt54g Router Firmware 3.03.9 All All All
Application Cisco Linksys Wrt54g Router Firmware 4.20.7 All All All
Application Cisco Linksys Wrt54g Router Firmware All All All All
Hardware Linksys Wrt54g All All All All
Hardware Linksys Wrt54g 2.2 All All All
Hardware Linksys Wrt54gs 1.0 All All All
Hardware Linksys Wrt54gs 2.0 All All All
Hardware Linksys Wrt54gs 3.0 All All All
Hardware Linksys Wrt54gs 4.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
UPnP Hacks: Vulnerable UPnP IGD devices af854a3a-2127-422b-91ae-364da2661108 www.upnp-hacks.org
US-CERT Vulnerability Note VU#357851 - UPnP requests accepted over router WAN interfaces af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org US Government Resource
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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