What is MyWiFiExt Interface?
Netgear has designed the local web address mywifiext net to let users setup extenders and manage its settings. Mywifiext is the gateway to reach Netgear Genie Setup wizard. It is a web address to install netgear extender, change WiFi admin credentials (SSID, password) and change default settings.
https://mywifiextlogn.com/