CVE-2022-26673: ASUS Rt-AX88U Firmware

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

ASUS RT-AX88U has insufficient filtering for special characters in the HTTP header parameter. A remote attacker with general user privilege can exploit this vulnerability to inject JavaScript and perform Stored Cross-Site Scripting (XSS) attacks.

Affected products

• ASUS Rt-AX88U Firmware: before 3.0.0.4.386.46065 (fixed in 3.0.0.4.386.46065)

Published 2022-04-22. Last modified 2026-06-17.