You want to login to NETGEAR Nighthawk router by using the Nighthawk app, simply go to the web browser and type routerlogin.net or nighthawk-app.com in the URL bar then you easily login to your router. If you fail, contact our support team, we are available 24 hours.

https://nighthawkkapp.com/
https://nighthawkkapp.com/why-nighthawk-app-not-working/