D-Link Go-RT-AC750 GORTAC750_revA_v101b03 & GO-RT-AC750_revB_FWv200b02 is vulnerable to command injection via /htdocs/upnpinc/gena.php.
https://www.dlink.com/en/security-bulletin/
https://drive.google.com/file/d/13D6K0UxNNzbLU4YRPfJc7MAk6iKFICdr/view?usp=sharing