Comcast / Xfinity Xfinity Advanced Gateway XB10 Login
The Comcast / Xfinity Xfinity Advanced Gateway XB10 is a modem-router (gateway) with no documented admin address. It has no browser admin page; everything is done in the manufacturer’s app.
This model has no web login: App only (no web login)
Contents
Comcast / Xfinity Xfinity Advanced Gateway XB10 default login
| Model | Login address | Username | Password | Source |
|---|---|---|---|---|
| Xfinity Advanced Gateway XB10 | App only | — | App only (no web login) | Official doc |
Checked against Xfinity Support — "Change your WiFi network name and password with the Xfinity WiFi Gateway Admin Tool" on 31 Aug 2026 (high confidence), via the ssid.ai dataset (CC BY 4.0).
“XB10 is Xfinity's current DOCSIS 4.0 / Wi-Fi 7 flagship gateway for X-Class tiers (X-500+), confirmed as a real, current product via direct search of xfinity.com/community.xfinity.com.”
How to manage the Comcast / Xfinity Xfinity Advanced Gateway XB10
This model is set up and managed in the manufacturer’s app. Sign in with the account you used during setup, then open the Wi-Fi settings to change the network name and password.
If the login does not work
- Someone may have changed it. A factory reset restores the login above.
- Reset: hold the Reset button for about 10 seconds while the device is powered on.
- Type
http://, not https://, and turn off any VPN or Private DNS.
Other Comcast / Xfinity models
| Model | Login address | Username | Password | Source |
|---|---|---|---|---|
| xFi Gateway XB7 (CGM4331COM) | 10.0.0.1 | admin | On the label (unique) | Official doc |
| xFi Gateway XB8 (CGM4981COM) | 10.0.0.1 | admin | On the label (unique) | Official doc |
More help
Frequently asked questions
What is the default password for the Comcast / Xfinity Xfinity Advanced Gateway XB10?
App only (no web login).
What is the Comcast / Xfinity Xfinity Advanced Gateway XB10 IP address?
This model has no documented admin IP address — it is managed in the app.
How do I reset the Comcast / Xfinity Xfinity Advanced Gateway XB10?
Hold the Reset button for about 10 seconds while the device is powered on.