CVE-2011-4005

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.8% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2011-11-03 10:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:34 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.8% in the next 30 days (EPSS).
• Severity: 9.3 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2011-11-03 10:55 UTC

Last modified

2026-06-16 23:34 UTC

Exploit probability

1.8% · EPSS, next 30 days

Weakness

CWE-352 · Cross-site request forgery

Record status

Modified

Affected

• Cisco Small Business srp521w
• Cisco Small Business srp526w
• Cisco Small Business srp527w
• Cisco Small Business srp520 Series Firmware ≤ 1.01.23
• Cisco Small Business srp520 Series Firmware 1.00.06
• Cisco Small Business srp520 Series Firmware 1.01.01
• Cisco Small Business srp520 Series Firmware 1.01.19_mr3
• Cisco Small Business srp541w

Attack profile CVSS 2.0 · 9.3

Attack vector

Network

Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2011-4005.md and follow it. Check whether this project is affected by CVE-2011-4005. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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