CVE-2025-9298: Tenda m3 Firmware

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A flaw has been found in Tenda M3 1.0.0.12. Affected is the function formQuickIndex of the file /goform/QuickIndex. Executing manipulation of the argument PPPOEPassword can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.

Affected products

• Tenda m3 Firmware: version 1.0.0.12 only

Published 2025-08-21. Last modified 2026-06-17.