CVE-2025-11327: Tenda AC18 Firmware

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318). This vulnerability affects unknown code of the file /goform/SetUpnpCfg. The manipulation of the argument upnpEn leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

Affected products

• Tenda AC18 Firmware: version 15.03.05.19(6318) only

Published 2025-10-06. Last modified 2026-10-09.