CVE-2011-4499
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Cisco Linksys Wrt54g Router Firmware
PublishedNov 22, 2011
First seenNov 22, 2011
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco linksys_wrt54g_router_firmware | v ≤ 4.20.8, 3.03.9, 4.20.7 | — |
| linksys wrt54g | No range specified, 2.2 | — |
| cisco linksys_wrt54gs_router_firmware | v ≤ 4.70.6, 2.09.1, v ≤ 1.06 | — |
| linksys wrt54gs | 1.0, 2.0, 3.0, 4.0 | — |
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