Xfinity

Xfinity XB8 (CGM4981COM)

Complete guide, manuals, and troubleshooting for the XB8 (CGM4981COM) router.

OverviewLogin GuideWiFi SetupFactory Reset

About the XB8 (CGM4981COM)

The Xfinity XB8 (CGM4981COM) is a high-performance router designed for reliable home and small office networking. Select one of the tabs above to access the detailed login guide, WiFi setup instructions, or factory reset procedures.

Frequently Asked Questions

What is the default IP address for XB8 (CGM4981COM)?
The default IP address is 10.0.0.1.
How do I reset XB8 (CGM4981COM) to factory defaults?
Press and hold the rear reset button for 10-15 seconds while powered on.
What is default login password for XB8 (CGM4981COM)?
The default password is 'password'.

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