Welcome to the Sagemcom support site. You must be logged in to access this page. Password reset instructions will be sent to your registered email address. Find in a few clicks the user guides, UE certificates and updates... Reset your password | Official Sagemcom support website Back to the login form. Guide to Change Sagemcom Fast Password. To get your access, please click here. Legal notice; Data protection and cookies; Contact us; Sitemap; Sagemcom Router Password List. If you have recently purchased and installed a Sagemcom Fast 5260 router at your home but don’t know how to change the password of it, you can follow the instructions provided below. The local access username and password provide access to … Still can't login to your Sagemcom router even when using the username and password for your router? contact@sagemcom.com 250 Emperor's road, 92848 Rueil-Malmaison Cedex, France +(33) 1 57 61 10 00. Reset Sagemcom Router Password To Default Settings (Use this as a last Resort!)