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CVE-2011-4005

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-11-03 · updated 2026-06-16
• Weakness: CWE-352

Description

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: through 1.01.23; 1.00.06, 1.01.01, 1.01.19_mr3
• Cisco Small Business Srp521W: all versions
• Cisco Small Business Srp526W: all versions
• Cisco Small Business Srp527W: all versions
• Cisco Small Business Srp540 Series Firmware: through 1.02.01_mr2; 1.02.00
• Cisco Small Business Srp541W: all versions
• Cisco Small Business Srp546W: all versions
• Cisco Small Business Srp547W: all versions

References

• http://secunia.com/advisories/46664
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20111102-srp500
• http://www.securityfocus.com/bid/50495
• http://www.securitytracker.com/id?1026266
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71103
• http://secunia.com/advisories/46664
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20111102-srp500
• http://www.securityfocus.com/bid/50495
• http://www.securitytracker.com/id?1026266
• https://exchange.xforce.ibmcloud.com/vulnerabilities/71103

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