Vulnerability in Cisco Linksys Wrt54g Router Firmware
CVE-2011-4499
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.013 (69.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Cisco Linksys Wrt54g Router Firmware — versions 3.03.9, 4.20.7
- Cisco Linksys Wrt54gs Router Firmware — versions 2.09.1
- Linksys Wrt54g — versions 2.2
- Linksys Wrt54gs — versions 1.0, 2.0, 3.0
Weakness classification (CWE)
References
- www.upnp-hacks.org/devices.html
- www.kb.cert.org/vuls/id/357851 (US Government Resource, third-party-advisory)