ASUS RT-N53 3.0.0.4.376.3754 devices have a buffer overflow via a long lan_dns1_x or lan_dns2_x parameter to Advanced_LAN_Content.asp.
rt-n53_firmware
CVE-2022-31874
ASUS RT-N53 3.0.0.4.376.3754 has a command injection vulnerability in the SystemCmd parameter of the apply.cgi interface.