If you face some error with the router where it is not able to connect the devices to the internet or forgot router password Asus. Then, resetting the router is the best solution. It will bring back the router to default settings and you can login using the default credentials.
Steps to reset Asus router:
Switch on the router
Press and hold the reset button.
Connect your device to the wireless name and set up the network.
Enter the default credentials.
Thereafter, you can change the password and username and click on next.
Go back, check the connectivity if the device with the new settings.