Linksys Routers apply.cgi Remote Command Injection
Vulnerability Description
An authenticated OS command injection vulnerability exists in various Linksys router models (tested on WRT160Nv2) running firmware version v2.0.03 via the apply.cgi endpoint. The web interface fails to properly sanitize user-supplied input passed to the ping_size parameter during diagnostic operations. An attacker with valid credentials can inject arbitrary shell commands, enabling remote code execution.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Michael Messner
References
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/linksys_wrt160nv2_apply_exec.rb
- https://www.exploit-db.com/exploits/24478
- https://www.exploit-db.com/exploits/25608
- https://web.archive.org/web/20140830181242/http://www.s3cur1ty.de/m1adv2013-012
- https://www.vulncheck.com/advisories/linksys-legacy-routers-remote-command-injection
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