ASUS Zenwifi Ax (xt8) Firmware vulnerabilities

3 CVEs affecting ASUS Zenwifi Ax (xt8) Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-41436, published 2021-11-19.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2021-41435, published 2021-11-19. Critical severity, CVSS 9.8. EPSS: 6.5% chance of exploitation in the next 30 days. A brute-force protection bypass in CAPTCHA protection in ASUS ROG Rapture GT-AX11000, RT-AX3000, RT-AX55, RT-AX56U, RT-AX56U_V2, RT-AX58U, RT-AX82U, RT-AX82U GUNDAM EDITION, RT-AX86…
CVE-2021-41436, published 2021-11-19. High severity, CVSS 7.5. EPSS: 5% chance of exploitation in the next 30 days. An HTTP request smuggling in web application in ASUS ROG Rapture GT-AX11000, RT-AX3000, RT-AX55, RT-AX56U, RT-AX56U_V2, RT-AX58U, RT-AX82U, RT-AX82U GUNDAM EDITION, RT-AX86 Series(RT-AX86U/RT-AX86S),…
CVE-2021-3128, published 2021-04-12. High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days. In ASUS RT-AX3000, ZenWiFi AX (XT8), RT-AX88U, and other ASUS routers with firmware < 3.0.0.4.386.42095 or < 9.0.0.4.386.41994, when IPv6 is used, a routing loop can occur that generates excessive…