Since your credentials don't appear to be working try its default user name and password: https://kb.netgear.com/000058262/Why-can-t-I-log-in-to-my-router-using-the-Nighthawk-App?language=en_US Reply of 1 Problems trying to update my firmware on a Netgear Nighthawk C7000v2 Welcome ...
http://downloadcenter.netgear.com/en/product/DGND3700v2 Message 3 of 3 0 Kudos All forum topics Previous Topic Next Topic Recommendations Netgear c7000v2 cable modem/router no longer worki... C3700 VPN Passthrough CAX30 Guest Wifi no longer working C6900 Firmwar...