How to Change the Password on a TP-Link TL-WR940N Wi-Fi Router: A Complete Guide

Changing your wireless network password is one of the basic digital hygiene measures that should be performed regularly. Model TP-Link TL-WR940N While it remains popular due to its reliability and affordability, the default factory security settings are often insufficient to protect against modern threats. If you use the factory password found on the case sticker or forget to change it after purchase, your network is vulnerable to unauthorized access.

Changing your access key doesn't require extensive networking knowledge and only takes a few minutes. In this article, we'll explain in detail how to access your device's control panel, select the optimal encryption type, and set a secure password. Securing your home network directly depends on the complexity of this password and the relevance of the router firmware.

Before making any changes, make sure your device (laptop or smartphone) is connected to the router via cable or Wi-Fi. Any changes to wireless settings will disconnect the connection, so it's important to save the new configuration correctly. After changing the password, all connected devices will automatically disconnect and will need to be reconnected by entering the new access key.

Preparing to set up network security

You should start the process by checking the physical connection and gathering the necessary information. To access the management interface, you will need a browser and the IP address of the default gateway. In most cases, for models TP-Link this address is 192.168.0.1 or 192.168.1.1The exact address, as well as the login and password for accessing the admin panel, are often indicated on an information sticker located on the bottom of the router.

It's recommended to perform setup from a computer connected via a LAN cable to avoid accidentally disconnecting while changing Wi-Fi settings. If this isn't possible, use a mobile device, but be prepared for the connection to be interrupted after applying the settings. Stable connection It is critically important not to interrupt the process of writing the configuration to the device memory.

⚠️ Important: If you are changing settings remotely or via Wi-Fi without a cable connection, make sure you have an alternative internet access method (such as mobile data) to avoid losing connection to the outside world in the event of an error.

There are several scenarios where intervention in security settings is required:

  • 🔒 You're setting up your router for the first time and using the factory password, which is easy to guess.
  • 📡 You have noticed unknown devices in the list of connected clients.
  • 🔄 You've reset your router to factory settings and want to set your own parameters.
  • 🛡️ Your password has been leaked and you want to prevent unauthorized access.
📊 How often do you change your Wi-Fi passwords?
Once a month
Once every six months
Only when purchasing a router
Never changed

Login to the router's web management interface

Open any modern browser (Chrome, Firefox, Opera) and enter the router's IP address in the address bar. After pressing Enter, a login window will appear. The default login credentials for this model are: TL-WR940N most often look like admin for both fields (login and password), if you haven't changed them previously. In newer firmware versions, the system may require you to create an administrator password the first time you log in.

If the default login/password pair doesn't work, it's possible they were previously changed. In this case, the only solution is a hard reset. To do this, locate the button on the router while it's turned on. Reset (usually recessed into the housing) and hold it for 10-15 seconds until the indicators blink. This will reset all parameters to factory defaults.

After successful authorization, you will be redirected to the main page of the control panel. The interface may differ depending on the firmware version: it may be green (old style) or blue-blue (new style). Navigation In both cases, it is built on a similar principle, but the menu layout may vary.

What should I do if the page doesn't load?

Make sure your computer's IP address is on the same subnet as your router (usually 192.168.0.x). Check if the LAN light on the corresponding router port is lit. Try using incognito mode in your browser or a different browser.

Configuring Wireless Settings

To change the password, you need to go to the wireless settings section. In the classic interface, this menu Wireless, and in the new one - Basic or Wireless in the sidebar. We are interested in the subsection Wireless Settings (Wireless Settings) Here you can change the network name (SSID), which is displayed when searching for available networks on devices.

It's recommended to give your network a unique name that doesn't contain personal information (such as your address or last name) to make it more difficult for potential attackers to identify the network owner. You can also change the wireless channel in this section if you're experiencing interference from neighboring networks, but this isn't required to change the password.

It's important to pay attention to the Region. It must match your location, as this affects the signal strength and number of available channels. Selecting the wrong Region may result in unstable operation or violation of local laws.

After changing the network name, don't forget to click the button Save (Save) at the bottom of the page. The router may reboot the wireless module, and the connection will be temporarily interrupted.

Setting a password and choosing the encryption type

The most important step is setting up security. Go to the menu Wireless Security (Wireless Security). A selection of encryption protocols is presented here. The most current and secure standards are WPA2-PSK And WPA3 (If supported by your firmware version). Using outdated WEP and WPA/TKIP protocols is strongly discouraged, as they are easily hacked.

In the field Version select WPA2-PSK (or WPA/WPA2 for maximum compatibility with older devices). In the field Encryption leave the value Automatic or select AES. Exactly AES is a modern encryption standard that provides reliable protection of transmitted data.

In the field PSK Password (Wireless Network Password) Enter the password you created. It must be at least 8 characters long and contain uppercase and lowercase letters, numbers, and special characters. Avoid simple sequences like 12345678 or password.

Parameter Recommended value Description
Security Type WPA2-PSK The most secure and compatible standard
Version Automatic Automatic selection of protocol version
Encryption AES Strong data encryption algorithm
PSK Password Complex password Access key length from 8 to 63 characters

☑️ Check security settings

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Save settings and reboot the device

After entering all the required data, be sure to click the button Save (Save). Some interface versions TP-Link may require an additional reboot of the router for the changes to take effect. This notification usually appears as a pop-up window or system notification asking you to click Click here to reboot.

During the reboot, the wireless module will turn off, and all devices will lose connection. This is normal behavior. The process takes between 30 seconds and 2 minutes. After turning on, the router will begin broadcasting the network with a new name (if you changed it) and will require a new password to connect.

Now you need to take your devices (smartphone, laptop, tablet) and reconnect. Find your network in the list of available networks, enter the new password, and check for internet access. If the internet works, the setup was successful.

⚠️ Note: The interface and menu layout may vary slightly depending on the hardware version (Ver. XX) and firmware version. If you can't find the item, check the official documentation on the manufacturer's website for your specific device revision.

Additional measures to protect your home network

Changing your password is just the first step. To improve the model's security, TL-WR940N It is recommended to disable this function. WPS (Wi-Fi Protected Setup). Despite the convenience of one-click connection, this technology has known vulnerabilities that allow attackers to recover network passwords using brute-force attacks.

Also worth paying attention to is the function MAC Filter (MAC address filtering). This allows you to create a whitelist of devices allowed to connect to the network. Even if someone learns your password, they won't be able to connect unless their device is on the whitelist.

Don't forget to update your router's firmware regularly. The manufacturer releases updates that patch security holes and improve stability. You can check for a new version in the section System Tools -> Firmware Upgrade.

  • 🔐 Disable WPS in the Wireless -> WPS menu.
  • 📝 Write down your new password in a safe place or use a password manager.
  • 🔄 Regularly check the list of connected clients (Wireless Statistics).
  • 🌐 Change your router administrator password from the default admin to a complex one.

Frequently Asked Questions (FAQ)

I forgot my Wi-Fi password and can't connect. How do I access the settings?

If you don't remember your Wi-Fi password but previously connected your computer to the router via cable, access the settings through a browser. If there are no wireless connections, you'll need to reset the router using the Reset button on the device. After resetting, use the password from the sticker on the bottom of the device.

Is it possible to set a password that consists only of numbers?

Technically, this is possible, but highly discouraged. A password consisting solely of numbers is easier to brute-force. For reliable protection, use a combination of letters (upper and lowercase), numbers, and special characters, at least 12 characters long.

Why did the TV stop seeing the network after changing the password?

Some older smart TVs may cache old security settings. Try forgetting the network on the TV and then re-establishing it. Also, make sure you've selected AES encryption, not TKIP, as some devices don't support mixed modes.

How often should I change my router password?

It is recommended to change your password every 3-6 months, or immediately if you suspect that it may have become known to outsiders (for example, guests or former residents).