Netgear Nighthawk CM1200 Cable Modem Login
The Netgear Nighthawk CM1200 Cable Modem is a modem-router (gateway) whose admin page answers on 192.168.100.1. It ships with a fixed factory login, so change it after the first sign-in.
192.168.100.1 Login
Login address: 192.168.100.1
Username / password: admin / password
Contents
Netgear Nighthawk CM1200 Cable Modem default login
| Model | Login address | Username | Password | Source |
|---|---|---|---|---|
| Nighthawk CM1200 Cable Modem | 192.168.100.1 | admin | password | Official doc |
Checked against NETGEAR CM1200 User Manual — official PDF on 31 Aug 2026 (high confidence), via the ssid.ai dataset (CC BY 4.0).
“Multi-Gig DOCSIS 3.1 cable modem (32x8) with 2x 1G Ethernet aggregation — no Wi-Fi.”
How to log in to the Netgear Nighthawk CM1200 Cable Modem
- Connect to the Netgear Nighthawk CM1200 Cable Modem by Wi-Fi or a network cable. On a phone, turn off mobile data.
- Open a browser and go to 192.168.100.1.
- Sign in with admin / password.
- Open the Wireless or Wi-Fi section 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: Press and hold the recessed Reset button for 7 seconds until the power LED blinks amber.
- Wrong address? Check your default gateway — see how to find your router’s IP.
- Type
http://, not https://, and turn off any VPN or Private DNS.
Other Netgear models
| Model | Login address | Username | Password | Source |
|---|---|---|---|---|
| CM1000 | 192.168.100.1 | admin | password | Official doc |
| CM2000 | 192.168.100.1 | admin | On the label (unique) | Official doc |
| CM3000 | 192.168.100.1 | admin | password | Official doc |
| DGN2200 (N300 ADSL2+) | routerlogin.net or 192.168.0.1 | admin | password | Official doc |
| Nighthawk Mesh MK63 (AX1800) | routerlogin.net or 192.168.1.1 | admin | You set it at setup | Official doc |
| Nighthawk R6700 / R6400 (AC1750) | routerlogin.net or 192.168.1.1 | admin | password | Official doc |
| Nighthawk R7000 (AC1900) | routerlogin.net or 192.168.1.1 | admin | password | Official doc |
| Nighthawk R7000P (AC2300) | routerlogin.net or 192.168.1.1 | admin | password | Official doc |
| Nighthawk RAX20 (AX1800) | routerlogin.net or 192.168.1.1 | admin | You set it at setup | Official doc |
| Nighthawk RAX200 (AX11000) | routerlogin.net or 192.168.1.1 | admin | You set it at setup | Official doc |
| Nighthawk RAX30 | routerlogin.net or 192.168.1.1 | admin | You set it at setup | Official doc |
| Nighthawk RAX35 (AX3000) | routerlogin.net or 192.168.1.1 | admin | You set it at setup | Official doc |
More help
Frequently asked questions
What is the default password for the Netgear Nighthawk CM1200 Cable Modem?
Username admin, password password.
What is the Netgear Nighthawk CM1200 Cable Modem IP address?
The admin page is at 192.168.100.1.
How do I reset the Netgear Nighthawk CM1200 Cable Modem?
Press and hold the recessed Reset button for 7 seconds until the power LED blinks amber.