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DrayTek Vigor3910 default password & login IP

The DrayTek Vigor3910 default login is admin / admin at http://192.168.1.1.

For regaining access to a router you own or administer. If you didn't set it up, ask whoever did.
Login address
http://192.168.1.1
Gateway IP
192.168.1.1
Username
admin
Password
admin

SMB multi-WAN (4x GbE WAN) security router/firewall built for VPN concentration and load-balancing at the edge — no built-in Wi-Fi or DSL modem, DrayTek's business-tier model above the Vigor2927. Genuine static default admin/admin confirmed in the official quick-start guide.

Factory reset

Press and hold the recessed Factory Reset button on the rear panel for about 10 seconds until the ACT LED starts blinking, then release; the router reboots to factory defaults. Browse to http://192.168.1.1 and log in with admin/admin (the system then prompts a password change).

More DrayTek models

Source: DrayTek Vigor3910 Series Quick Start Guide v1.7 (official)verified · updated 2026-09-07

FAQ

What is the default password for the DrayTek Vigor3910?
The DrayTek Vigor3910 default login is admin / admin at http://192.168.1.1.
What is the default login IP for the DrayTek Vigor3910?
The DrayTek Vigor3910 default login IP is 192.168.1.1 — open http://192.168.1.1 in a browser on the router's own network.
What is the default username for the DrayTek Vigor3910?
The DrayTek Vigor3910 default admin username is admin. The matching default password is admin.
How do I factory-reset the DrayTek Vigor3910?
Press and hold the recessed Factory Reset button on the rear panel for about 10 seconds until the ACT LED starts blinking, then release; the router reboots to factory defaults. Browse to http://192.168.1.1 and log in with admin/admin (the system then prompts a password change).

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· static
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  2. 2026-07-27Re-verified, unchanged· static
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  3. 2026-07-27Re-verified, unchanged· static
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  4. 2026-07-27Re-verified, unchanged· static
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  5. 2026-07-27Re-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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  9. 2026-07-27Re-verified, unchanged· static
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  10. 2026-07-27Re-verified, unchanged· static
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  11. 2026-07-27Re-verified, unchanged· static
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  12. 2026-07-28Re-verified, unchanged· static
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  13. 2026-07-28Re-verified, unchanged· static
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  14. 2026-07-29Re-verified, unchanged· static
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  15. 2026-07-29Re-verified, unchanged· static
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  16. 2026-07-29Re-verified, unchanged· static
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  17. 2026-07-29Re-verified, unchanged· static
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  18. 2026-07-29Re-verified, unchanged· static
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  19. 2026-07-30Re-verified, unchanged· static
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  20. 2026-07-30Re-verified, unchanged· static
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  21. 2026-07-30Re-verified, unchanged· static
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  22. 2026-07-30Re-verified, unchanged· static
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  23. 2026-07-30Re-verified, unchanged· static
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  24. 2026-07-31Re-verified, unchanged· static
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  25. 2026-08-02Re-verified, unchanged· static
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  26. 2026-08-04Re-verified, unchanged· static
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  27. 2026-08-04Re-verified, unchanged· static
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  28. 2026-08-07Re-verified, unchanged· static
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  29. 2026-08-08Re-verified, unchanged· static
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  30. 2026-08-09Re-verified, unchanged· static
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  31. 2026-08-10Re-verified, unchanged· static
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  32. 2026-08-10Re-verified, unchanged· static
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  33. 2026-08-10Re-verified, unchanged· static
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  34. 2026-08-10Re-verified, unchanged· static
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  35. 2026-08-10Re-verified, unchanged· static
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  36. 2026-08-10Re-verified, unchanged· static
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  37. 2026-08-12Re-verified, unchanged· static
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  38. 2026-08-12Re-verified, unchanged· static
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  39. 2026-08-16Re-verified, unchanged· static
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  40. 2026-08-17Re-verified, unchanged· static
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  41. 2026-08-17Re-verified, unchanged· static
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  42. 2026-08-17Re-verified, unchanged· static
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  43. 2026-08-24Re-verified, unchanged· static
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  44. 2026-08-24Re-verified, unchanged· static
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  45. 2026-08-27Re-verified, unchanged· static
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  46. 2026-08-31Re-verified, unchanged· static
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  47. 2026-08-31Re-verified, unchanged· static
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  48. 2026-09-04Re-verified, unchanged· static
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  49. 2026-09-04Re-verified, unchanged· static
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  50. 2026-09-06Re-verified, unchanged· static
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  51. 2026-09-06Re-verified, unchanged· static
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  52. 2026-09-07Re-verified, unchanged· static
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