CVE-2025-52054: Tenda AC8 Firmware

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue was discovered in Tenda AC8 v4.0 AC1200 Dual-band Gigabit Wireless Router AC8v4.0 Firmware 16.03.33.05. The root password of the device is calculated with a static string and the last two octets of the MAC address of the device. This allows an unauthenticated attacker to authenticate with network services on the device.

Affected products

• Tenda AC8 Firmware: up to and including 16.03.33.05

Published 2025-08-28. Last modified 2026-09-26.