D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable to Command Injection via cgibin, ssdpcgi_main.
https://www.dlink.com/en/security-bulletin/
https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10308
https://drive.google.com/file/d/1_UUpraFTxxB97ujrgVLQZXQ8Q8M58BAF/view?usp=sharing