Buffalo AirStation WHR-1166D Login

Updated

The Buffalo AirStation WHR-1166D is a router whose admin page answers on 192.168.11.1. It ships with a fixed factory login, so change it after the first sign-in.

Contents
  1. Buffalo AirStation WHR-1166D default login
  2. How to log in to the Buffalo AirStation WHR-1166D
  3. If the login does not work
  4. Other Buffalo models
  5. More help
  6. Frequently asked questions

Buffalo AirStation WHR-1166D default login

ModelLogin addressUsernamePasswordSource
AirStation WHR-1166D192.168.11.1adminpasswordOfficial doc

Checked against Buffalo — AirStation WHR-1166D User Manual (PDF, manual.buffalo.jp) on 31 Aug 2026 (high confidence), via the ssid.ai dataset (CC BY 4.0).

“Buffalo's official AirStation manual documents the genuine factory default as username 'admin' / password 'password' at 192.168.11.1 — one of the few brands with a real universal default.”

How to log in to the Buffalo AirStation WHR-1166D

  1. Connect to the Buffalo AirStation WHR-1166D by Wi-Fi or a network cable. On a phone, turn off mobile data.
  2. Open a browser and go to 192.168.11.1.
  3. Sign in with admin / password.
  4. 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: Hold the Reset button for about 3 seconds until the DIAG light blinks, then wait for the router to restart.
  • 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 Buffalo models

ModelLogin addressUsernamePasswordSource
AirStation WSR-1166DHP192.168.11.1adminpasswordOfficial doc

More help

Frequently asked questions

What is the default password for the Buffalo AirStation WHR-1166D?

Username admin, password password.

What is the Buffalo AirStation WHR-1166D IP address?

The admin page is at 192.168.11.1.

How do I reset the Buffalo AirStation WHR-1166D?

Hold the Reset button for about 3 seconds until the DIAG light blinks, then wait for the router to restart.