Listed below are default passwords for Arris and Motorola Surfboard cable modems and residential gateways. The default IP address is typically 192.168.0.1.

Note: Arris acquired Motorola's home networking division; many Motorola Surfboard gateways are now sold under the Arris brand. Most models use admin as the username and password as the password. ISP-provisioned gateways may have custom credentials set by your Internet Service Provider — check the label on the bottom of the unit or contact your ISP if the defaults below do not work.

Security note: After logging in with the default credentials, change the admin password immediately to a strong, unique password. Leaving the default admin password in place allows anyone on your network — or anyone who guesses your WiFi password — to reconfigure your gateway.

Model Default Username Default Password
Most Surfboard Gatewaysadminpassword
SBG6400 (DOCSIS 3.0)adminpassword
SBG6580 (DOCSIS 3.0)adminpassword
SBG6700-AC (DOCSIS 3.0)adminpassword
SBG6900-AC (DOCSIS 3.0)adminpassword
SBG7580-AC (DOCSIS 3.0)adminpassword
SBG8300 (DOCSIS 3.1)adminpassword
SBG10 (DOCSIS 3.0)adminpassword
SVG1501 (cable VoIP gateway)adminpassword
TG852Gadminpassword
TG862Gadminpassword
TG1672Gadminpassword
TM602G (modem only)adminpassword
DG860Aadminpassword
DG1670Aadminpassword
DG3450 (DOCSIS 3.1)adminpassword
NVG468MQ (AT&T U-verse gateway)adminadmin
NVG510 (AT&T U-verse gateway)adminadmin
NVG589 (AT&T gateway)admin(blank)
BGW210-700 (AT&T gateway)admin(printed on label)