CVE-2025-59366: ASUS Router

Critical severity, CVSS 9.2. EPSS: 15.8% chance of exploitation in the next 30 days.

An authentication-bypass vulnerability exists in AiCloud. This vulnerability can be triggered by an unintended side effect of the Samba functionality, potentially leading to allow execution of specific functions without proper authorization. Refer to the Security Update for ASUS Router Firmware section on the ASUS Security Advisory for more information.

Affected products

  • ASUS Router: version 3.0.0.4_386 only; version 3.0.0.4_388 only; version 3.0.0.6_102 only

Published 2025-11-25. Last modified 2026-06-17.