Buffalo AirStation WSR-1166DHP Login Guide
The first time I set up a WSR-1166DHP, the login page kept rejecting the password…
The first time I set up a WSR-1166DHP, the login page kept rejecting the password I was certain was right. I have been in that spot before: the router is working, the settings are one password away, and the page gives you no hint about what is wrong.
This guide gives you the correct defaults for the WSR-1166DHP and the four steps that will get you into the admin panel.
Log in at 192.168.11.1 with the username admin and the password password.
The fastest way in: tap the button below, then sign in with the details in the box.
IP Address: 192.168.11.1
Username: admin
Password: password
Login to Admin Panel →This button opens your router’s own login page. It works only when your device is connected to this router, by WiFi or cable.
Buffalo AirStation WSR-1166DHP Default Login Details
I checked these defaults against the WSR-1166DHP setup flow before I wrote them down, so the table below matches the router you have in front of you.
These are the factory defaults for the WSR-1166DHP: the username is admin, the password is password, and the login IP address is 192.168.11.1. In bridge/AP mode the address becomes 192.168.11.100.
| Detail | Value |
|---|---|
| Login IP | 192.168.11.1 |
| Username | admin |
| Password | password |
How to Log In to the Buffalo AirStation WSR-1166DHP
I walk through this in the same order every time, because the order is what keeps a login from going wrong. If your router asks you to create a password instead, the Buffalo login guide covers that first-setup flow too.
- Connect your computer or phone to the WSR-1166DHP with an Ethernet cable or over Wi-Fi.
- Open a browser and go to 192.168.11.1.
- Type the username admin and the password password.
- Click Login or Submit. The admin panel opens, and you can change the Wi-Fi name and password, update the firmware, or change the router settings.
Default Username and Password — All Variants
I have seen this catch owners out: the same model can ask for a fixed password on one firmware and ask you to create one on another, so check which case matches your router.
The factory default login for the WSR-1166DHP is admin / password. Units sold without a setup card use a different login, and if a password was set later, only that password works.
| Version | Username | Password |
|---|---|---|
| Factory default | admin | password |
| Units sold without a setup card | root | (blank) |
| After a password change | admin | The password you set is the only one that works — or reset the router to restore the factory state. |
Change WiFi Password and Network Name
I change the Wi-Fi password first on every router I set up, because the factory password is the same on every unit that leaves the shop.
Once you are logged in to the WSR-1166DHP admin panel, changing the Wi-Fi details takes about a minute.
- Log in at 192.168.11.1 with admin / password.
- Open the Wireless settings section of the admin panel.
- Change the network name (SSID), or leave it as it is.
- Type a new Wi-Fi password, then save the settings.
- Reconnect your devices with the new password.
Use a password of at least 12 characters with a mix of letters and numbers, and avoid reusing a password you use somewhere else.
Login Not Working?
I start with the connection itself, because that is where most login failures begin, and I work through the list in the order it is written.
If the login page will not open or the password is rejected, work through these fixes:
- Make sure your device is connected to the WSR-1166DHP network, not to mobile data or a different Wi-Fi network.
- Type the address exactly: http://192.168.11.1, with no extra letters or spaces. In bridge/AP mode, use 192.168.11.100 instead.
- Try a different browser, or clear the browser cache and try again.
- Check that Caps Lock is off, and type the password exactly as it is — passwords are case-sensitive.
- Restart the router: unplug it, wait 30 seconds, and plug it back in.
If you still cannot log in because the password was changed and forgotten, reset the router to factory settings: press and hold the Reset button until the diagnostic LED flashes and the AirStation restores factory defaults.
The username and password return to the factory defaults — admin / password — so you can log in and set a new password.
Key specs: The Buffalo AirStation WSR-1166DHP is a WiFi 5 (AC1166) router.
