D-Link GO-RT-AC750 GORTAC750_revA_v101b03 & GO-RT-AC750_revB_FWv200b02 is vulnerable to Authentication Bypass via function phpcgi_main in cgibin.
https://www.dlink.com/en/security-bulletin/
https://drive.google.com/file/d/1ji5Ph6c-qgp0lBvbY8BZJjeqbju3VeK8/view?usp=sharing