Multiple vulnerabilities were identified in ASUS Router. A remote attacker could exploit some of these vulnerabilities (CVE-2023-39238, CVE-2023-39239, CVE-2023-39240) to cause remote code execution and be able to perform arbitrary operations on affected devices.

ASUS developers have released for devices the following firmware updates - RT-AX55: 3.0.0.4.386_51948, RT-AX56U_V2: 3.0.0.4.386_51948, RT-AC86U: 3.0.0.4.386_51915 and recommend that users apply security updates.

Source: bleepingcomputer.com