Cisco DPC3939 (Comcast 1.0) default password and login
The default login for the Cisco DPC3939 (Comcast 1.0) is username admin and password password at http://10.0.0.1.
Also searched as: cisco dpc3939 (comcast 10) · cisco dpc3939 (comcast 1 0) · ciscodpc3939(comcast10)
Cisco notes
Older Linksys-by-Cisco and small-business Cisco units vary widely. Check the sticker; cisco/cisco appears on some business models.
How to login
- Connect to the DPC3939 (Comcast 1.0) Wi-Fi network or plug in a cable.
- Type http://10.0.0.1 into the address bar, not the search box.
- Enter the username and password. The label under your router shows the exact ones for your unit.
- To change Wi-Fi settings go to Wireless → Basic Wireless Settings / Wireless Security.
Questions about the Cisco DPC3939 (Comcast 1.0)
What is the default password for the Cisco DPC3939 (Comcast 1.0)?
The Cisco DPC3939 (Comcast 1.0) ships with username admin / password password. 7 of the 18 Cisco models in our database with a known default use the same login. If your unit has a label with a different password, the label wins.
What is the Cisco DPC3939 (Comcast 1.0) IP address?
The Cisco DPC3939 (Comcast 1.0) uses 10.0.0.1 as its default login address.
What if the Cisco DPC3939 (Comcast 1.0) login does not work?
Older Linksys-by-Cisco and small-business Cisco units vary widely. Check the sticker; cisco/cisco appears on some business models. Check the label on the router for a unit-specific password. If the password was changed and nobody knows it, a factory reset restores the default.
How do I change the Wi-Fi password on the Cisco DPC3939 (Comcast 1.0)?
Log in, then go to Wireless → Basic Wireless Settings / Wireless Security. Save, then reconnect your devices with the new password.
How do I reset the Cisco DPC3939 (Comcast 1.0)?
With the router powered on, press and hold the recessed Reset button for 10 seconds. It restarts with the default login, and all your settings are erased.
Default logins across Cisco models
Share of the 18 Cisco models in our database whose default login is known.
| Username | Password | Models | Share |
|---|---|---|---|
| admin | password | 7 | 39% |
| cisco | cisco | 6 | 33% |
| admin | admin | 3 | 17% |
| Cisco | Cisco | 1 | 6% |
| admin | 1PTV-ADM1N | 1 | 6% |
Cisco IP addresses
Share of the 19 Cisco models in our database whose login address is known.
- 192.168.1.1 47% (9) Open
- 10.0.0.1 42% (8) Open
- 192.168.1.254 5% (1) Open
- 192.168.0.1 5% (1) Open
Ping your router
If the login page will not load, check whether your computer can reach 10.0.0.1 at all:
Other Cisco models
| Model | Username | Password | IP address |
|---|---|---|---|
| 881-W | Cisco | Cisco | 10.0.0.1 |
| CVR100W | cisco | cisco | 192.168.1.1 |
| DDR2200-CL | admin | 1PTV-ADM1N | 192.168.1.254 |
| DP3939Comcast 1.0 | admin | password | 10.0.0.1 |
| DPC3825 | - | - | 192.168.0.1 |
| DPC3829AD | - | - | - |
| DPC3848 | - | - | - |
| DPC3848-4 | - | - | - |
| DPC3929CAD | - | - | - |
| DPC3929CMAD | - | - | - |
| DPC3939 | admin | password | 10.0.0.1 |
| DPC3939Comcast 1.0 | admin | password | 10.0.0.1 |
| DPC3939XB3 (Comcast 1.0) | admin | password | 10.0.0.1 |
| DPC3940CMAD | - | - | - |
| DPC3941 | admin | password | 10.0.0.1 |
Network Toolbox
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