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Mercusys Default Usernames & Passwords
The default credentials needed to login to your Mercusys router

Info updated April 2, 2024

The majority of Mercusys routers have a default username of admin, a default password of 1234, and the default IP address of 192.168.0.1.

These Mercusys credentials are needed when doing a login to the Mercusys router's web interface to change any settings.
Since some of the models don't follow the standards, you can see those in the table below.

Below the table are also instructions on what to do incase you forget your Mercusys router password, need to reset your Mercusys router to its factory default password, or the password reset doesn't work.

Tip: Press ctrl+f (or cmd+f on Mac) to quickly search for your model number.

Mercusys default Password List (Valid April 2024)

Model Default Username Default Password Default IP address
Halo S12
Halo S12 default factory settings 		admin 1234 192.168.0.1


Instructions and common questions

Forgot your Mercusys router password?

Have you changed the username and/or password of your Mercusys router and forgotten what you changed it to?
Don't worry: all Mercusys routers come with a default factory set password that you can revert to by following the instructions below.

Reset Mercusys router to default password

If you decide to revert your Mercusys router to it's factory defaults, you should do the 30-30-30 reset as follows:

  1. When your Mercusys router is powered on, press and hold the reset button for 30 seconds.
  2. While still holding the reset button pressed, unplug the power of the router and hold the reset button for another 30 seconds
  3. While still holding the reset button down, turn on the power to the unit again and hold for another 30 seconds.

Your Mercusys router should now be reset to its brand new factory settings, Check the table to see what those are (Most likely admin/1234).
If the factory reset didn't work, check out the Mercusys 30 30 30 factory reset guide .


Important: Remember to change the default username and password to increase the security of your router after the factory reset, as the default passwords are available all over the web (like here).

I still can't access my Mercusys router with the default password

Make sure that you have followed the reset instructions correctly as the Mercusys routers should always rever to their factory default settings when reset.
Otherwise, there is always the risk that your router is damaged and might need to be repaired or replaced.