CVE-2026-5338: Tenda g103 Firmware

High severity, CVSS 7.2. EPSS: 8.3% chance of exploitation in the next 30 days.

A security vulnerability has been detected in Tenda G103 1.0.0.5. The affected element is the function action_set_system_settings of the file system.lua of the component Setting Handler. Such manipulation of the argument lanIp leads to command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

Affected products

• Tenda g103 Firmware: version 1.0.0.5 only

Published 2026-04-02. Last modified 2026-06-17.