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 router with a custom payload, they could achieve stored XSS on the device.

Main_Analysis_Content.asp in /apply.cgi on ASUS RT-AC66U, RT-AC68U, RT-AC86U, RT-AC88U, RT-AC1900, RT-AC2900, and RT-AC3100 devices before 3.0.0.4.384_10007; RT-N18U devices before 3.0.0.4.382.39935; RT-AC87U and RT-AC3200 devices before 3.0.0.4.382.50010; and RT-AC5300 devices before 3.0.0.4.384.20287 allows OS command injection via the pingCNT and destIP fields of the SystemCmd variable.

An issue was discovered in ASUSWRT 3.0.0.4.384.20308. An unauthenticated user can trigger a DoS of the httpd service via the /APP_Installation.asp?= URI.

An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.

An issue was discovered in ASUSWRT 3.0.0.4.384.20308. An unauthenticated user can request /update_applist.asp to see if a USB device is attached to the router and if there are apps installed on the router.

System command injection in appGet.cgi on ASUS RT-AC3200 version 3.0.0.4.382.50010 allows attackers to execute system commands via the "load_script" URL parameter.

Format string vulnerability in appGet.cgi on ASUS RT-AC3200 version 3.0.0.4.382.50010 allows attackers to read arbitrary sections of memory and CPU registers via the "hook" URL parameter.

Buffer overflow in appGet.cgi on ASUS RT-AC3200 version 3.0.0.4.382.50010 allows attackers to inject system commands via the "hook" URL parameter.

Missing cross-site request forgery protection in appGet.cgi on ASUS RT-AC3200 version 3.0.0.4.382.50010 allows attackers to cause state-changing actions with specially crafted URLs.

Cross-site scripting in appGet.cgi on ASUS RT-AC3200 version 3.0.0.4.382.50010 allows attackers to execute JavaScript via the "hook" URL parameter.