An Improper Validation of Integrity Check Value and Improper Certificate Validation in certain ASUS router models allows a remote man-in-the-middle(MITM) user to make the router download and execute arbitrary command via a spoofed server. Refer to the Security Update for ASUS Router Firmware section on the ASUS Security Advisory for more information.
Weakness
The product does not validate, or incorrectly validates, a certificate.