Default Password for Sagemcom Fast 3686 DNA Router

To get access to Sagemcom Fast 3686 DNA router, you need the login IP address of your router, the username, and password.

You can find these information in Sagemcom Fast 3686 DNA router manual. But if you do not have the manual for your router, then you can use the quick guide below.

Login to the Sagemcom Fast 3686 DNA Router

The Sagemcom Fast 3686 DNA has a web interface for configuration. You can use any web browser you like to log in to the Sagemcom Fast 3686 DNA router.

Put the Internal IP Address of your Sagemcom Fast 3686 DNA in the Address Bar of your web browser. Then press the Enter key on your keyboard. You should see a dialog box pop up asking you for your Sagemcom Fast 3686 DNA login username & password.

Default login data for Sagemcom Fast 3686 DNA

You need to know the username and password to log in to your Sagemcom Fast 3686 DNA router. We listed below.

ModelIpUsername & Password
Sagemcom Fast 3686 DNA192.168.1.1[Show username & password]

Note: If you are using the default settings you should change them to increase security and prevent unauthorized access to your network.

Other Sagemcom Fast 3686 DNA Login Problems

If you can not get a login to your router, here are some possible solutions you can try.

The Password of Sagemcom Fast 3686 DNA Doesn’t Work

You should try the other same brands’ passwords. We have a large list of Brands’ Passwords that you can have a try to check. Perhaps your router’s default password is different than what we have listed here. Some Brands will set a different Complex password that is difficult to remember, and then printed on the label of the router.

Forgot Password to Sagemcom Fast 3686 DNA Router

If your Internet Service Provider supplied you with your router then you might want to try giving them a call, and see if they either know what your router’s login data are, or maybe they can reset it for you.

How to Reset the Sagemcom Fast 3686 DNA Router To Default Settings

If you still can not get logged in, then you have to reset your router to its default settings.

Change Sagemcom Fast 3686 DNA Default Wifi Name (SSID)

By default, some Sagemcom Fast 3686 DNA routers have network names (with the manufacturer name). We recommend using a different name because a default name unnecessarily identifies your router’s brand, which makes it easier for hackers.

Configure Wireless MAC address filter for Sagemcom Fast 3686 DNA

MAC filtering allows you to restrict access to your Sagemcom Fast 3686 DNA router. To enable this feature, enter the 12 digit MAC ID of each computer connected to your network into your Sagemcom Fast 3686 DNA router. Be sure to update this information when adding or removing devices.

How to configure:

  1. Open the web browser and type the IP address.
  2. Enter the username and password for Sagemcom Fast 3686 DNA router.
  3. Go to the MAC List page, you can find the MAC address of all the devices which are connected to the router.
  4. Go to Wireless->Wireless MAC Filtering page, click the Add New button.
  5. Type in the MAC address you want to allow or deny to access the router, and give a description for this item.
  6. The status should be Enabled and at last, click the Save button.
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  1. Yehudi Lawson


  2. Tabitha Haggai

    Thank goodness!