CVE-2011-4499

2022-10-0316:15:14

mitre

www.cve.org

broadcom upnp stack

cisco linksys wrt54g

wrt54gs routers

remote attackers

arbitrary port mappings

soap request

wan interface

external forwarding vulnerability

6.9 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.3%

JSON

The 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.

References

www.kb.cert.org/vuls/id/357851

www.upnp-hacks.org/devices.html