Password

Hi there, @user_6jqa2k Thank you for taking the time to reach out regarding needing to know how to change your router password.

1. Log in to the Xfinity app (download on the App Store or Google Play). ...
2. Select the WiFi tab.
3. Select WiFi details.
4. On the pop-up, select Edit WiFi settings at the bottom.
5. On this screen, you can view or change your WiFi name or WiFi password.
6. Click Save after making any changes.

Please let me know if you need further assistance.-Richard

@user_6jqa2k 

Is this a Comcast rented gateway device ?

Are you referring to WiFi network password, or the device's Admin access to the user interface pages ?