CVE-2026-5685: Tenda CX12L Firmware

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability was identified in Tenda CX12L 16.03.53.12. This affects the function fromAddressNat of the file /goform/addressNat. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

Affected products

• Tenda CX12L Firmware: version 16.03.53.12 only

Published 2026-04-06. Last modified 2026-07-24.