CVE-2025-15234: Tenda m3 Firmware

High severity, CVSS 8.8. EPSS: 2.9% chance of exploitation in the next 30 days.

A weakness has been identified in Tenda M3 1.0.0.13(4903). Impacted is the function formSetRemoteInternetLanInfo of the file /goform/setInternetLanInfo. This manipulation of the argument portIp/portMask/portGateWay/portDns/portSecDns causes heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

• Tenda m3 Firmware: version 1.0.0.13(4903) only

Published 2025-12-30. Last modified 2026-10-07.