If you cannot remember the password to access the router's settings dashboard, a physical factory reset is required.
If you've forgotten your login password (for the router's web interface), you may need to reset the router to its factory settings. Look for a small reset button at the back or bottom of the router. Press and hold it for about 10 seconds until the router's lights flash. This will reset the router to its default settings, including the default admin login credentials. 192.168 1.1 mercusys login wifi password
In some models, this may be under Advanced > Wireless > Wireless Settings . If you cannot remember the password to access