CVE-2011-4005: Cisco Small Business SRP520 Series Firmware

High severity, CVSS 9.3. EPSS: 1.8% chance of exploitation in the next 30 days.

Cross-site request forgery (CSRF) vulnerability in the Services Ready Platform Configuration Utility web interface on the Cisco Small Business SRP521W, SRP526W, and SRP527W with firmware before 1.1.24 and the Small Business SRP541W, SRP546W, and SRP547W with firmware before 1.2.1 allows remote attackers to hijack the authentication of administrators for requests that execute arbitrary commands, aka Bug ID CSCtr45124.

Affected products

• Cisco Small Business SRP520 Series Firmware: up to and including 1.01.23; version 1.00.06 only; version 1.01.01 only; version 1.01.19_mr3 only
• Cisco Small Business SRP521W
• Cisco Small Business SRP526W
• Cisco Small Business SRP527W
• Cisco Small Business SRP540 Series Firmware: up to and including 1.02.01_mr2; version 1.02.00 only
• Cisco Small Business SRP541W
• Cisco Small Business SRP546W
• Cisco Small Business SRP547W

Published 2011-11-03. Last modified 2026-06-16.