| Field | Value |
| Router Model | Buffalo WHR-1166D HP |
| Brand | Buffalo |
| Default IP Address | 192.168.11.1 |
| Login URL | http://192.168.11.1 |
| Default Username | admin |
| Default Password | password |
| Wireless Standard | 802.11ac (Wi-Fi 5) |
| Frequency Bands | Dual-band 2.4GHz + 5GHz |
Quick Answer: To log in to the Buffalo WHR-1166D HP, open a browser and navigate to 192.168.11.1. Enter the default username "admin" and password "password". If these credentials do not work, the password may have been changed — use the reset button to restore factory defaults.
Key Facts About Buffalo WHR-1166D HP Default Login
- Default IP Address: 192.168.11.1
- Default Username: admin
- Default Password: password
- Admin panel URL: http://192.168.11.1
- Reset method: Hold reset button for 10 seconds
- Supported browsers: Chrome, Firefox, Edge, Safari
The Buffalo WHR-1166D HP is a high-performance wireless router designed to provide fast and reliable internet connectivity. It utilizes 192.168.11.1 as its default gateway address for accessing the administrative interface. This guide provides essential information for users needing to log in, configure, or troubleshoot their WHR-1166D HP router.
What Are the Technical Specifications of the Buffalo WHR-1166D HP?
The Buffalo WHR-1166D HP router is equipped with advanced features to ensure robust network performance. Based on technical specifications, it supports the 802.11ac wireless standard, also known as Wi-Fi 5, delivering combined speeds of up to 1166 Mbps across its dual-band frequencies. This dual-band capability allows for simultaneous operation on both the 2.4GHz and 5GHz bands, offering flexibility for various devices and reducing interference. For security, it supports WPA2 protocols, and it features several Ethernet ports for wired connections.
| Specification | Details |
| Wireless Standard | 802.11ac (Wi-Fi 5) |
| Frequency Bands | Dual-band (2.4 GHz and 5 GHz) |
| Maximum Speed | Up to 1166 Mbps (AC867 + N300) |
| Security Protocols | WPA2-PSK (AES), WPA/WPA2 Mixed Mode |
| Antennas | External (Number varies by specific revision, typically 2-4) |
| Ethernet Ports | 1 x Gigabit WAN, 4 x Gigabit LAN |
How Do I Log In to the Buffalo WHR-1166D HP Router Admin Panel?
To access the Buffalo WHR-1166D HP admin panel (router configuration interface), follow these steps:
- Connect a device (computer or smartphone) to the Buffalo WHR-1166D HP router via Wi-Fi or an Ethernet cable.
- Open a web browser such as Google Chrome, Mozilla Firefox, Microsoft Edge, or Safari.
- In the address bar, type the default IP address:
192.168.11.1 and press Enter. - You will be presented with a login screen. Enter the default username
admin and the default password password. - Click the "Login" or "Sign In" button to access the router's settings.
This process allows you to manage your Wi-Fi network name (SSID), change the default wifi router password, and configure other advanced settings. If you encounter issues, ensure your device is connected to the router's network and that you are using the correct IP address.
How Do I Find the Buffalo WHR-1166D HP Login IP Address?
The most common way to find the Buffalo WHR-1166D HP login IP address is to know its default, which is 192.168.11.1. If you have changed the default IP address or are unsure, you can find it by checking your device's network connection settings. On Windows, open the Command Prompt and type ipconfig. Look for the "Default Gateway" address under your active network adapter. On macOS or Linux, open the Terminal and type ip route | grep default or netstat -rn | grep default. This command will display your router's IP address, which serves as the router login IP.
How Do I Reset the Buffalo WHR-1166D HP Router Password Without Logging In?
You can reset the Buffalo WHR-1166D HP to factory defaults without knowing the current password by using the hardware reset button. This action will revert all settings, including the Wi-Fi password and admin credentials, to their original factory state, effectively allowing you to reset the router password without login access.
- Locate the reset button, usually a small, recessed pinhole on the back or bottom of the router.
- While the router is powered on, use a paperclip or a similar pointed object to press and hold the reset button.
- Continue holding the button for approximately 10 seconds.
- Release the button, and the router will reboot. Once it has restarted, all settings will be reset to their factory defaults, including the default username 'admin' and default password 'password'. This is a crucial step for regaining access if you have forgotten your admin credentials.
Why Can't I Log In to My Buffalo WHR-1166D HP Router?
The most common reasons for being unable to log in to your Buffalo WHR-1166D HP router include using the incorrect IP address, entering the wrong username or password, or a browser-related issue. Firstly, ensure you are using the correct router login IP address, which is 192.168.11.1 for the WHR-1166D HP. Secondly, verify that you are entering the exact default username "admin" and default password "password" if you haven't changed them. If you have changed these credentials, you will need to reset the router to its factory settings to regain access. Lastly, try clearing your browser's cache and cookies, or use a different web browser or an incognito/private browsing window, as sometimes cached data can interfere with accessing router interfaces. Always ensure your device is connected to the router's network.
How Do I Secure My Buffalo WHR-1166D HP Router After Login?
Securing your Buffalo WHR-1166D HP router after logging in is critical for protecting your home network from unauthorized access. According to manufacturer recommendations, the first step should always be to change the default wifi router password from "password" to a strong, unique passphrase that is at least 12 characters long and includes a mix of uppercase letters, lowercase letters, numbers, and symbols. Enable WPA2 or WPA3 encryption for your Wi-Fi network if available, as these are the most secure options. It is also advisable to disable remote management features, which allow access to the router's settings from outside your home network, unless specifically needed. Regularly check for and install firmware updates from Buffalo's official support site, as these often contain vital security patches. Consider setting up a guest network for visitors, keeping them separate from your main network.
Other Common Default Credentials for Buffalo Routers
| Username | Password | Notes |
| admin | password | Most common for Buffalo WHR series |
| admin | admin | Older Buffalo models |
| admin | (blank) | Rarely used |
What Are Common Router Login IP Addresses?
| IP Address | Common Usage | Brands |
| 192.168.1.1 | Most common gateway | TP-Link, Netgear, Asus |
| 192.168.0.1 | Common alternative | D-Link, Belkin |
| 192.168.11.1 | Buffalo default | Buffalo |
| 10.0.0.1 | Apple & some cable routers | Apple AirPort, Xfinity |
IP Address Probability Table
| Address / Domain | Usage Probability | Notes |
| 192.168.11.1 | 48% | Primary default for Buffalo WHR series |
| 192.168.1.1 | 47% | Most common alternative |
| 192.168.0.1 | 3% | Common for other brands |
| 192.168.1.254 | 1% | ISP configurations |
| 192.168.11.254 | 1% | Rare Buffalo configurations |
Frequently Asked Questions About Buffalo WHR-1166D HP Login
- What is the default password for the Buffalo WHR-1166D HP?
- The default password for the Buffalo WHR-1166D HP is "password". If this does not work, it's possible the password has been changed.
- How do I access the Buffalo WHR-1166D HP admin panel?
- To access the Buffalo WHR-1166D HP admin panel, open a web browser, navigate to the IP address 192.168.11.1, and enter the username "admin" with the password "password".
- How can I reset the Buffalo WHR-1166D HP if I forgot the password?
- You can reset the Buffalo WHR-1166D HP by pressing and holding the reset button on the router for about 10 seconds until it reboots, which restores factory defaults. This process is the primary method to reset router password without login.
- What is the default login IP address for the Buffalo WHR-1166D HP?
- The default login IP address for the Buffalo WHR-1166D HP is 192.168.11.1. This is the address you will use to access the router's settings.
- How do I change the default username and password on my Buffalo WHR-1166D HP?
- To change the credentials on your Buffalo WHR-1166D HP, log in to the admin panel using the default IP 192.168.11.1, then navigate to the security or administration settings to update the username and the wifi router password default.
- My Buffalo WHR-1166D HP is not connecting to the internet after login, what should I do?
- If your Buffalo WHR-1166D HP is not connecting, first check your cable connections, then try rebooting both your modem and the router. If the issue persists, you may need to reconfigure the WAN settings or perform a factory reset.
- Is it safe to use the default router password on my Buffalo WHR-1166D HP?
- No, it is not safe to use the default router password on your Buffalo WHR-1166D HP. You should always change the default password to a strong, unique one immediately after logging in for the first time to protect your network.