Routerlogin.net To change the admin password on your Netgear router, you must first log in to the Netgear My Router login page. To login and change the admin password, please go through the steps below one by one. You can find the default administrator password on the back or bottom of the router. Professionals recommend changing the default administrator username and password to protect your Wi-Fi connection. This means you want to change the standard proof letters, i.e. username and password, we describe some steps.