CVE-2025-69763: Tenda AX3 Firmware

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause memory corruption and enable remote code execution.

Affected products

• Tenda AX3 Firmware: version 16.03.12.11 only

Published 2026-01-21. Last modified 2026-06-17.