RouterSync.com
Buffalo logo Buffalo Home Wi-Fi Wi-Fi 6 (802.11ax) AX5400 Gigabit Dual-Band Wi-Fi 6

Buffalo Buffalo WSR-5400AX6 Wi-Fi 6 Dual-Band Gigabit Router

The best-selling residential Wi-Fi 6 router across Japan for high-speed fiber internet

BUFFALO Wi-Fi 6
Illustration, not a product photo
Gateway IP
Factory Username
admin
Factory Password
password

Technical specifications

AirStation WSR Series
Manufacturer Buffalo
Product Series AirStation WSR Series
Device Class / Category Home Wi-Fi
Wireless Standard Wi-Fi 6 (802.11ax)
Speed Rating AX5400 Gigabit Dual-Band Wi-Fi 6
Ethernet & Fiber Ports 1x GbE WAN, 4x GbE LAN
Routing / Firewall Throughput 4804 Mbps (5GHz) + 574 Mbps (2.4GHz)
Default Gateway URL http://192.168.11.1 ↗
Operating System / Firmware Buffalo AirStation OS

How to log in to your Buffalo Buffalo WSR-5400AX6 Wi-Fi 6 Dual-Band Gigabit Router

  1. 1 Connect Your Device: Plug your PC into any LAN port on the Buffalo Buffalo WSR-5400AX6 Wi-Fi 6 Dual-Band Gigabit Router using an Ethernet cable, or connect to the default Wi-Fi SSID printed on the router label.
  2. 2 Navigate to Gateway IP: Launch your web browser and enter http://192.168.11.1 into the address bar.
  3. 3 Enter Factory Credentials: Enter username "admin" and password "password", then click Login.
  4. 4 Configure Security & Password: Follow the on-screen Quick Setup wizard to customize your Wi-Fi SSID, set WPA3/WPA2-AES encryption, and establish a new master administrator password.

Related Buffalo models

🔗 Universal Router Directory Network

Explore Gateway IPs, Router Brands & Utilities

Frequently asked questions

What is the default login for Buffalo Buffalo WSR-5400AX6 Wi-Fi 6 Dual-Band Gigabit Router?

The default IP address is http://192.168.11.1, default username is "admin", and default password is "password".

What ports and speeds does Buffalo Buffalo WSR-5400AX6 Wi-Fi 6 Dual-Band Gigabit Router support?

The Buffalo Buffalo WSR-5400AX6 Wi-Fi 6 Dual-Band Gigabit Router is equipped with 1x GbE WAN, 4x GbE LAN with an overall speed rating of AX5400 Gigabit Dual-Band Wi-Fi 6.

How do I reset my Buffalo Buffalo WSR-5400AX6 Wi-Fi 6 Dual-Band Gigabit Router to factory settings?

Press and hold the physical Reset button on the Buffalo Buffalo WSR-5400AX6 Wi-Fi 6 Dual-Band Gigabit Router for 10 to 15 seconds until the power LED blinks, resetting all settings to factory default.