CVE-2023-35087: ASUS Rt-AC86U Firmware

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

It is identified a format string vulnerability in ASUS RT-AX56U V2 & RT-AC86U. This vulnerability is caused by lacking validation for a specific value when calling cm_processChangedConfigMsg in ccm_processREQ_CHANGED_CONFIG function in AiMesh system. An unauthenticated remote attacker can exploit this vulnerability without privilege to perform remote arbitrary code execution, arbitrary system operation or disrupt service. This issue affects RT-AX56U V2: 3.0.0.4.386_50460; RT-AC86U: 3.0.0.4_386_51529.

Affected products

• ASUS Rt-AC86U Firmware: version 3.0.0.4_386_51529 only
• ASUS Rt-AX56U v2 Firmware: version 3.0.0.4.386_50460 only

Published 2023-07-21. Last modified 2026-06-17.