Netgear DC112A 1.0.0.64, EX6200 1.0.3.94 and R6300v2 1.0.4.8 were discovered to contain a buffer overflow via the http_passwd parameter in password.cgi.
https://www.netgear.com/about/security/
https://github.com/FirmRec/IoT-Vulns/blob/main/netgear/http_passwd_smb_pass/README.md