Netgear R8500 v1.0.2.160 was discovered to contain a stack overflow via the ipv6_pri_dns parameter at ipv6_fix.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
https://www.netgear.com/about/security/
https://github.com/wudipjq/my_vuln/blob/main/Netgear4/vuln_45/45.md