CVE-2025-30256: Tenda AC6 Firmware

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted series of HTTP requests can lead to a reboot. An attacker can send multiple network 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.