Network Utilities

3com Passwords

This is a complete list of user names and passwords for 3com routers.

How To Login to a 3com Router

Most routers have a web interface. This means that in order to login to them you start with your web browser.

In general you login to a 3com router in three steps:

  1. Find Your 3com Router IP Address
  2. Enter Your 3com Router IP Address Into your web browser's Address Bar
  3. Enter your 3com Router username and password when prompted

The list of user names and passwords is below.

How to Reset Your 3com Router Password To Default Settings

If none of the passwords below work for you then you have 2 options:

Please only reset your router as a last resort.

3com Router Password List

Here is a list of all known 3com passwords and the router they were discovered on.

Be sure to try them all!

3com Model Username Password
3c510 blank admin
3c855 blank admin
3C857 blank admin
3CP4130 admin 1234
3cr856-95 blank admin
3CR858-91 blank admin
3CR858-91 blank admin
3cr860-95 blank 1234
3CRWDR100A-72 blank admin
3CRWDR101A-75 blank admin
3CRWDR101A-75 blank admin
3CRWDR101E-75 blank admin
3CRWDR101E-75 blank admin
3CRWDR300A-73 blank admin
3crwe51196 blank admin
3crwe52196 blank admin
3crwe554G72 blank admin
3CRWE554G72T admin admin
3CRWE754G72 blank admin
3CRWER100-75 blank admin
3CRWER100-75 blank admin
3CRWER200-75 blank admin
3CRWER300-73 blank admin
WL522 blank admin
WL540 blank admin