If you remember the current password of your Xfinity router. Then you can change the password using web interface. Login to your router. Navigate to Wi-Fi settings and create another password. If you don’t remember the current password, here’s another way to reset Xfinity router password. Follow the steps mentioned below.
Steps to reset password:
Locate the reset button on your router and press it for 10- 15 seconds.
This will reset the router back to default settings.
Open a web browser and type 192.168.0.1 and click enter.
Login using the default credentials. The username is admin and the password is admin/password.
Now, you can navigate to settings and click on Wi-Fi network.
Go to the password option. Create and type a new password. Enter it again to confirm.