ssid.aiAPI

AVM FRITZ!Box 6591 Cable default password & login IP

The AVM FRITZ!Box 6591 Cable ships with a unique password printed on the device label, not a shared default — log in at http://192.168.178.1.

For regaining access to a router you own or administer. If you didn't set it up, ask whoever did.
Login address
http://fritz.box
Gateway IP
192.168.178.1
Username
— none —
Password
— on the device label —

The password is unique to your unit and printed on a sticker on the router (often labelled Password or Access Key).

DOCSIS 3.1 cable modem router with FRITZ!Mesh support (as Master or Repeater) — distinct from the DSL/fibre FRITZ!Box models already covered. Login password is a unique per-device string printed on the type label on the bottom of the housing, not a shared default, per AVM's own knowledge base.

Factory reset

Press and hold the Reset button on the rear panel for about 5 seconds, or use System > Backup > Restore Factory Settings in the FRITZ!OS user interface.

More AVM models

Source: AVM FRITZ! Knowledge Base — Opening/Determining the password for the FRITZ!Box user interface (FRITZ!Box 6591 Cable) (official)verified · medium confidence · updated 2026-09-07

FAQ

What is the default password for the AVM FRITZ!Box 6591 Cable?
The AVM FRITZ!Box 6591 Cable ships with a unique password printed on the device label, not a shared default — log in at http://192.168.178.1.
What is the default login IP for the AVM FRITZ!Box 6591 Cable?
The AVM FRITZ!Box 6591 Cable default login IP is 192.168.178.1 — open http://192.168.178.1 in a browser on the router's own network.
How do I factory-reset the AVM FRITZ!Box 6591 Cable?
Press and hold the Reset button on the rear panel for about 5 seconds, or use System > Backup > Restore Factory Settings in the FRITZ!OS user interface.

Verification history (52)

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. 2026-07-20First verified· label-unique
    source →
  2. 2026-07-27Re-verified, unchanged· label-unique
    source →
  3. 2026-07-27Re-verified, unchanged· label-unique
    source →
  4. 2026-07-27Re-verified, unchanged· label-unique
    source →
  5. 2026-07-27Re-verified, unchanged· label-unique
    source →
  6. 2026-07-27Re-verified, unchanged· label-unique
    source →
  7. 2026-07-27Re-verified, unchanged· label-unique
    source →
  8. 2026-07-27Re-verified, unchanged· label-unique
    source →
  9. 2026-07-27Re-verified, unchanged· label-unique
    source →
  10. 2026-07-27Re-verified, unchanged· label-unique
    source →
  11. 2026-07-27Re-verified, unchanged· label-unique
    source →
  12. 2026-07-28Re-verified, unchanged· label-unique
    source →
  13. 2026-07-28Re-verified, unchanged· label-unique
    source →
  14. 2026-07-29Re-verified, unchanged· label-unique
    source →
  15. 2026-07-29Re-verified, unchanged· label-unique
    source →
  16. 2026-07-29Re-verified, unchanged· label-unique
    source →
  17. 2026-07-29Re-verified, unchanged· label-unique
    source →
  18. 2026-07-29Re-verified, unchanged· label-unique
    source →
  19. 2026-07-30Re-verified, unchanged· label-unique
    source →
  20. 2026-07-30Re-verified, unchanged· label-unique
    source →
  21. 2026-07-30Re-verified, unchanged· label-unique
    source →
  22. 2026-07-30Re-verified, unchanged· label-unique
    source →
  23. 2026-07-30Re-verified, unchanged· label-unique
    source →
  24. 2026-07-31Re-verified, unchanged· label-unique
    source →
  25. 2026-08-02Re-verified, unchanged· label-unique
    source →
  26. 2026-08-04Re-verified, unchanged· label-unique
    source →
  27. 2026-08-04Re-verified, unchanged· label-unique
    source →
  28. 2026-08-07Re-verified, unchanged· label-unique
    source →
  29. 2026-08-08Re-verified, unchanged· label-unique
    source →
  30. 2026-08-09Re-verified, unchanged· label-unique
    source →
  31. 2026-08-10Re-verified, unchanged· label-unique
    source →
  32. 2026-08-10Re-verified, unchanged· label-unique
    source →
  33. 2026-08-10Re-verified, unchanged· label-unique
    source →
  34. 2026-08-10Re-verified, unchanged· label-unique
    source →
  35. 2026-08-10Re-verified, unchanged· label-unique
    source →
  36. 2026-08-10Re-verified, unchanged· label-unique
    source →
  37. 2026-08-12Re-verified, unchanged· label-unique
    source →
  38. 2026-08-12Re-verified, unchanged· label-unique
    source →
  39. 2026-08-16Re-verified, unchanged· label-unique
    source →
  40. 2026-08-17Re-verified, unchanged· label-unique
    source →
  41. 2026-08-17Re-verified, unchanged· label-unique
    source →
  42. 2026-08-17Re-verified, unchanged· label-unique
    source →
  43. 2026-08-24Re-verified, unchanged· label-unique
    source →
  44. 2026-08-24Re-verified, unchanged· label-unique
    source →
  45. 2026-08-27Re-verified, unchanged· label-unique
    source →
  46. 2026-08-31Re-verified, unchanged· label-unique
    source →
  47. 2026-08-31Re-verified, unchanged· label-unique
    source →
  48. 2026-09-04Re-verified, unchanged· label-unique
    source →
  49. 2026-09-04Re-verified, unchanged· label-unique
    source →
  50. 2026-09-06Re-verified, unchanged· label-unique
    source →
  51. 2026-09-06Re-verified, unchanged· label-unique
    source →
  52. 2026-09-07Re-verified, unchanged· label-unique
    source →
All AVM models →Identify a device by MAC →Report an error →