CVE-2013-5758: Yealink SIP-t38g

High severity, CVSS 9.0. EPSS: 11.9% chance of exploitation in the next 30 days.

cgi-bin/cgiServer.exx in Yealink VoIP Phone SIP-T38G allows remote authenticated users to execute arbitrary commands by calling the system method in the body of a request, as demonstrated by running unauthorized services, changing directory permissions, and modifying files.

Affected products

• Yealink SIP-t38g: affected versions not specified

Published 2014-08-03. Last modified 2026-06-16.