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Buffalo AirStation WHR-1166D default password & login IP

The Buffalo AirStation WHR-1166D default login is admin / password at http://192.168.11.1.

For regaining access to a router you own or administer. If you didn't set it up, ask whoever did.
Login address
http://192.168.11.1
Gateway IP
192.168.11.1
Username
admin
Password
password

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. The initial settings are also printed on the AirStation setup card stored in the base. Change the password after logging in.

Factory reset

Hold the Reset button until the AirStation reinitializes to factory defaults. In router mode browse to http://192.168.11.1 (in bridge/access-point mode use http://192.168.11.100); if a login prompt appears, enter username 'admin' and password 'password', click Log In, and step through the wizard.

More Buffalo models

Source: Buffalo — AirStation WHR-1166D User Manual (PDF, manual.buffalo.jp)verified · updated 2026-09-07

FAQ

What is the default password for the Buffalo AirStation WHR-1166D?
The Buffalo AirStation WHR-1166D default login is admin / password at http://192.168.11.1.
What is the default login IP for the Buffalo AirStation WHR-1166D?
The Buffalo AirStation WHR-1166D default login IP is 192.168.11.1 — open http://192.168.11.1 in a browser on the router's own network.
What is the default username for the Buffalo AirStation WHR-1166D?
The Buffalo AirStation WHR-1166D default admin username is admin. The matching default password is password.
How do I factory-reset the Buffalo AirStation WHR-1166D?
Hold the Reset button until the AirStation reinitializes to factory defaults. In router mode browse to http://192.168.11.1 (in bridge/access-point mode use http://192.168.11.100); if a login prompt appears, enter username 'admin' and password 'password', click Log In, and step through the wizard.

Verification history (56)

Every time we've checked this model's default credentials, oldest first — including when nothing changed. Absence of change over time is itself the evidence.

  1. 2026-07-13First verified· static
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  2. 2026-07-14Re-verified, unchanged· static
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  3. 2026-07-14Re-verified, unchanged· static
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  4. 2026-07-15Re-verified, unchanged· static
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  5. 2026-07-20Re-verified, unchanged· static
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  6. 2026-07-27Re-verified, unchanged· static
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  7. 2026-07-27Re-verified, unchanged· static
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  8. 2026-07-27Re-verified, unchanged· static
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  11. 2026-07-27Re-verified, unchanged· static
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  12. 2026-07-27Re-verified, unchanged· static
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  13. 2026-07-27Re-verified, unchanged· static
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  14. 2026-07-27Re-verified, unchanged· static
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  15. 2026-07-27Re-verified, unchanged· static
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  16. 2026-07-28Re-verified, unchanged· static
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  17. 2026-07-28Re-verified, unchanged· static
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  18. 2026-07-29Re-verified, unchanged· static
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  28. 2026-07-31Re-verified, unchanged· static
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  29. 2026-08-02Re-verified, unchanged· static
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  30. 2026-08-04Re-verified, unchanged· static
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  31. 2026-08-04Re-verified, unchanged· static
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  32. 2026-08-07Re-verified, unchanged· static
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  41. 2026-08-12Re-verified, unchanged· static
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  46. 2026-08-17Re-verified, unchanged· static
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  47. 2026-08-24Re-verified, unchanged· static
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  49. 2026-08-27Re-verified, unchanged· static
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  50. 2026-08-31Re-verified, unchanged· static
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  51. 2026-08-31Re-verified, unchanged· static
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  52. 2026-09-04Re-verified, unchanged· static
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  53. 2026-09-04Re-verified, unchanged· static
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  54. 2026-09-06Re-verified, unchanged· static
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  55. 2026-09-06Re-verified, unchanged· static
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  56. 2026-09-07Re-verified, unchanged· static
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