Changing A Password Is Not That Tough See How? You are up to change the password to log out the unauthorized users who are making the network slow, you can do this from the web management page. Your extender comes with a default username and password. Although you can easily configure the settings by heading toward the login portal. Markedly, you will easily reach the Linksys extender login page and make the easy configurations. Therefore, type the website address like extender.linksys.com in the search bar of the browser where you will be provided with the router’s Username and Password. Once you will be able to reach the advanced settings after clicking on administration. When you will find the administration option, you will find the option to set the password. Type the old one and then renew the password. Select the saved settings to reset the Linksys RE6500 Setup.