CVE-2021-41437: ASUS Rt-AX88U Firmware

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

An HTTP response splitting attack in web application in ASUS RT-AX88U before v3.0.0.4.388.20558 allows an attacker to craft a specific URL that if an authenticated victim visits it, the URL will give access to the cloud storage of the attacker.

Affected products

• ASUS Rt-AX88U Firmware: before 3.0.0.4.388.20558 (fixed in 3.0.0.4.388.20558)

Published 2022-09-26. Last modified 2026-06-17.