PT-2011-4963 · Cisco · Linksys Wrt54G

Daniel Garcia · Published 2011-11-22 · Updated 2012-03-09 · CVE-2011-4499

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Linksys WRT54G versions prior to 4.30.5 Cisco Linksys WRT54GS v1 through v3 versions prior to 4.71.1 Cisco Linksys WRT54GS v4 versions prior to 1.06.1

Description The issue allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN interface. This is related to an external forwarding issue.

Recommendations For Cisco Linksys WRT54G versions prior to 4.30.5, update to firmware version 4.30.5 or later. For Cisco Linksys WRT54GS v1 through v3 versions prior to 4.71.1, update to firmware version 4.71.1 or later. For Cisco Linksys WRT54GS v4 versions prior to 1.06.1, update to firmware version 1.06.1 or later.

Fix

Weakness Enumeration

CWE-16

Related Identifiers

CVE-2011-4499

Affected Products

Linksys Wrt54G

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2011-4499 · Security Note
• http://upnp-hacks.org/devices.html · Note
• http://kb.cert.org/vuls/id/357851 · Note