CVE-2026-2138: Tenda TX9 Firmware

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability was found in Tenda TX9 up to 22.03.02.10_multi. Affected is the function sub_42D03C of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

Affected products

• Tenda TX9 Firmware: up to and including 22.03.02.10

Published 2026-02-08. Last modified 2026-06-17.