CVE-2025-27129: Tenda AC6 Firmware

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

An authentication bypass vulnerability exists in the HTTP authentication functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted HTTP request can lead to arbitrary code execution. An attacker can send packets to trigger this vulnerability.

Affected products

• Tenda AC6 Firmware: version 02.03.01.110 only

Published 2025-08-20. Last modified 2026-06-17.