CVE-2021-3229: ASUS Rt-AX3000 Firmware

High severity, CVSS 7.5. EPSS: 2.7% chance of exploitation in the next 30 days.

Denial of service in ASUSWRT ASUS RT-AX3000 firmware versions 3.0.0.4.384_10177 and earlier versions allows an attacker to disrupt the use of device setup services via continuous login error.

Affected products

• ASUS Rt-AX3000 Firmware: up to and including 3.0.0.4.384_10177

Published 2021-02-05. Last modified 2026-06-17.