CVE-2025-59367: ASUS DSL-AC51 Firmware

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

An authentication bypass vulnerability has been identified in certain DSL series routers, may allow remote attackers to gain unauthorized access into the affected system. Refer to the 'Security Update for DSL Series Router' section on the ASUS Security Advisory for more information.

Affected products

• ASUS DSL-AC51 Firmware: before 1.1.2.3_1010 (fixed in 1.1.2.3_1010)
• ASUS DSL-AC750 Firmware: before 1.1.2.3_1010 (fixed in 1.1.2.3_1010)
• ASUS DSL-n16 Firmware: before 1.1.2.3_1010 (fixed in 1.1.2.3_1010)

Published 2025-11-13. Last modified 2026-06-17.