Secutech RiS-11, RiS-22, and RiS-33 devices with firmware V5.07.52_es_FRI01 allow DNS settings changes via a goform/AdvSetDns?GO=wan_dns.asp request in conjunction with a crafted admin cookie.
- https://www.exploit-db.com/exploits/44393/
No PoCs found on GitHub currently.