ASUS Rt-AX56U Firmware vulnerabilities

12 CVEs affecting ASUS Rt-AX56U Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2021-40556, published 2022-10-06.

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…
CVE-2021-40556, published 2022-10-06. High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days. A stack overflow vulnerability exists in the httpd service in ASUS RT-AX56U Router Version 3.0.0.4.386.44266. This vulnerability is caused by the strcat function called by "caupload" input handle…
CVE-2022-26376, published 2022-08-05. Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days. A memory corruption vulnerability exists in the httpd unescape functionality of Asuswrt prior to 3.0.0.4.386_48706 and Asuswrt-Merlin New Gen prior to 386.7.. A specially-crafted HTTP request can…
CVE-2021-43702, published 2022-07-05. Critical severity, CVSS 9.0. EPSS: 1% chance of exploitation in the next 30 days. ASUS RT-A88U 3.0.0.4.386_45898 is vulnerable to Cross Site Scripting (XSS). The ASUS router admin panel does not sanitize the WiFI logs correctly, if an attacker was able to change the SSID of the…
CVE-2021-44158, published 2022-01-03. High severity, CVSS 8.0. EPSS: 0.7% chance of exploitation in the next 30 days. ASUS RT-AX56U Wi-Fi Router is vulnerable to stack-based buffer overflow due to improper validation for httpd parameter length. An authenticated local area network attacker can launch arbitrary code…
CVE-2022-23973, published 2022-04-07. High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days. ASUS RT-AX56U’s user profile configuration function is vulnerable to stack-based buffer overflow due to insufficient validation for parameter length. An unauthenticated LAN attacker can execute…
CVE-2022-23972, published 2022-04-07. High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days. ASUS RT-AX56U’s SQL handling function has an SQL injection vulnerability due to insufficient user input validation. An unauthenticated LAN attacker to inject arbitrary SQL code to read, modify and…
CVE-2022-22054, published 2022-01-14. Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days. ASUS RT-AX56U’s login function contains a path traversal vulnerability due to its inadequate filtering for special characters in URL parameters, which allows an unauthenticated local area network…

Latest

CVE-2022-23971, published 2022-04-07. High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days. ASUS RT-AX56U’s update_PLC/PORT file has a path traversal vulnerability due to insufficient filtering for special characters in the URL parameter. An unauthenticated LAN attacker can overwrite a…
CVE-2022-23970, published 2022-04-07. High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days. ASUS RT-AX56U’s update_json function has a path traversal vulnerability due to insufficient filtering for special characters in the URL parameter. An unauthenticated LAN attacker can overwrite a…