How to Disconnect Other Devices from Your Wi-Fi: The Complete 2026 Guide

Have you noticed your internet speed has suddenly dropped, and unknown devices have appeared in your list of connected devices? Or is your neighbor regularly "borrowing" your Wi-Fi without asking permission? Disconnecting unauthorized devices from your home network isn't just a matter of convenience, it's also a matter of protection of personal dataIn this article, we'll cover all the working methods: from basic router settings to advanced methods like MAC filtering and changing the broadcast frequency.

It's important to understand: simply "kicking" someone else's smartphone or laptop isn't enough. If the security holes aren't patched, the device will reconnect within minutes. Therefore, we'll look at not only disabling methods, but also preventive measures, which will prevent re-intrusion. All instructions apply to routers. TP-Link, ASUS, Keenetic, MikroTik and other popular brands.

Please be advised in advance: some methods (for example, changing DNS or setting VLAN) require a solid knowledge of networking technologies. For beginners, we've highlighted the simplest solutions—they're sufficient in 90% of cases.

1. Disabling devices via the router's web interface

The most reliable and universal method is to block the device directly in the router's admin panel. This doesn't require any additional software, just access to the settings.

This manual is suitable for most models, but menu paths may vary slightly. If you can't find the item you need, use the settings search (usually the magnifying glass icon in the upper right corner).

  • 🔌 Step 1. Connect to your router via cable or Wi-Fi. Open your browser and enter [website name] in the address bar. 192.168.0.1 or 192.168.1.1 (the exact address is indicated on the device sticker).
  • 🔐 Step 2. Enter your login and password (by default it is often admin/admin or admin/empty password). If the data has changed, use the current one.
  • 📊 Step 3. Find the section Wireless network (Wi-Fi)Client list (or DHCPRental list). All connected devices are displayed here.
  • 🚫 Step 4. Find someone else's gadget in the list (focus on MAC address or title). Click the button Block, Disable or Add to Blacklist.

Are there any devices in your list with unusual names (for example, "Galaxy-123" instead of "My-Samsung")?

Make sure you're blocking someone else's device—some routers show connected devices from neighbors if their networks overlap.

Check if smart devices (lights, cameras, vacuum cleaners) are connected to your network—disconnecting them can disrupt your smart home.

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Once locked, the device will be immediately turned off and its MAC address will be blacklisted. However, this method only works until you reboot the router, unless you save the settings! Be sure to click Apply or Save at the bottom of the page.

⚠️ Attention: Some routers (eg. Zyxel Keenetic) automatically unlock devices after 24 hours. To make the blocking permanent, add MAC address manually to the section MAC address filter.

2. Using the manufacturer's mobile app

If accessing the web interface is inconvenient, many brands offer official apps for managing the router from a smartphone. This is faster and more intuitive, especially for beginners.

Application examples:

  • 📱 TP-Link Tether — for routers TP-Link (including Archer, Deco).
  • 📱 ASUS Router — for devices ASUS (series RT-AX, RT-AC).
  • 📱 Mi Wi-Fi — for routers Xiaomi And Redmi.
  • 📱 Keenetic — for routers Zyxel Keenetic.

The algorithm of actions in the applications is similar:

  1. Open the application and log in (if necessary).
  2. Go to the section Devices, Net or Wi-Fi.
  3. Find someone else's gadget in the list and tap on it.
  4. Select an option Block, Disable or Add to blacklist.

The advantage of the apps is notifications about new connections. For example, Keenetic It can send a push notification if an unknown device connects to the network. This will help you quickly respond to intrusions.

Via web interface (192.168.1.1)|

Manufacturer's mobile app|

Command line (Telnet/SSH)|

Other (write in the comments)-->

3. MAC filtering: reliable blocking using device ID

MAC address — is a unique identifier of network equipment, a kind of "passport" for the gadget. Filtering by MAC Allows you to manually allow connections only to trusted devices, blocking all others.

How to set up:

  1. Log in to the router admin panel (instructions in first section).
  2. Find the section Wireless networkMAC address filter (or Wireless MAC Filter).
  3. Activate filtering and select the mode:
    • Allow only specified (recommended) - only devices from the "white list" will be able to connect.
    • Deny specified — only those gadgets that you add manually are blocked.
  • Enter MAC addresses your devices (you can find them in the settings of your smartphone/laptop or in the list of router clients).
  • Save the settings and reboot the router.
  • Example MAC addresses: 00:1A:2B:3C:4D:5EIt typically consists of six pairs of characters separated by a colon or dash. Be careful when entering it—even a single character error will render filtering ineffective.

    Benefits of MAC filtering Flaws
    High security – other devices won’t be able to connect even with the correct password An attacker can replace their MAC address with an authorized one (spoofing)
    Does not require complex technical knowledge When adding a new gadget (for example, a guest smartphone), you will have to manually update the list
    Works on all routers, including older models Does not protect against protocol-level attacks (e.g. KRACK)
    ⚠️ Attention: MAC filtering isn't 100% secure! Experienced hackers can bypass it by spoofing the address. Use this method in conjunction with other security measures (complex passwords, encryption). WPA3).

    4. Change the password and network name (SSID)

    If someone else's device has connected once, there's a good chance it's stored in its memory. Even after blocking it through the admin panel, the gadget may automatically reconnect the next time it's turned on. A radical solution is change the password and network name (SSID).

    How to do it:

    • 🔑 In the router admin panel, go to Wireless networkSecurity settings.
    • 📝 In the field Network name (SSID) Enter a new name (do not use personal information!).
    • 🔒 In the field Password (Password or Passphrase) come up with a complex combination of 12+ characters (numbers, letters, special characters).
    • 🔄 Select encryption type WPA3-Personal (or WPA2-PSK, If WPA3 (not supported).
    • 💾 Save the settings and reboot the router.

    After changing your password, all devices (including yours!) will be disconnected. You'll have to reconnect them using the new credentials. This is inconvenient, but it's guaranteed to solve the problem of "freeloaders."

    Important: Never use standard network names like "TP-Link_1234" or "ASUS_5G." These reveal your router's model, making it easier for hackers to exploit vulnerabilities.

    5. Advanced Methods: VLAN, Guest Network, and IP Restriction

    If other people's devices connect regularly (for example, a neighbor is systematically "stealing" your Wi-Fi), it's worth considering more complex security methods. These require a deeper understanding of networking but provide maximum control.

    🔧 Method 1: Guest Network with Restrictions

    Create a separate guest network with limited access:

    1. Find it in the admin panel Guest network (Guest Network).
    2. Activate it and set a separate name (SSID) and password.
    3. In the settings, limit the speed (for example, to 5 Mbps) and disable access to the local network (Enable AP Isolation).
    4. Connect only devices you don't trust to the guest network (or grant access to guests).

    🔧 Method 2: IP to MAC Binding (DHCP Reservation)

    Tie it up MAC addresses trusted devices to fixed ones IP and block the rest:

    • In the section DHCP find Address reservation (Address Reservation).
    • Add MAC addresses your gadgets and assign them static IP.
    • In the settings IP address filter Deny connection for everyone IP, except for reserved ones.

    🔧 Method 3: Separating the network into VLANs (for advanced users)

    If your router supports VLAN (For example, MikroTik, Ubiquiti), you can create separate virtual networks for different types of devices. This completely isolates "outsiders" from your data.

    What is VLAN and why is it needed?

    VLAN (Virtual Local Area Network) is a technology that allows you to divide a physical network into multiple logical subnets. For example, you can create:

    - VLAN 10 for personal devices (laptops, smartphones) with full access to all resources.

    - VLAN 20 for guest devices with limited speed and no access to local folders or printers.

    - VLAN 30 for smart home (cameras, lamps), isolated from the main network for security.

    To configure VLAN, you will need a router that supports this feature and basic knowledge of networking technologies. Configuration is performed via Switch → VLAN in the admin panel.

    ⚠️ Attention: Incorrect setting VLAN or DHCP Reservation may result in loss of network access for all devices. Before experimenting, back up your router settings (System Tools → Backup)!

    6. How to detect and prevent reconnections

    Disabling someone else's device is only half the battle. It's important to understand how it was connected initially, and close this loophole. Let's consider typical scenarios and solutions.

    🕵️‍♂️ Reason 1: Weak password

    If the password is simple (for example, 12345678 or qwerty), it's easy to find even without special programs. Solution:

    • Use a password that is long 12+ characters with a mixture of registers, numbers and special characters (for example, kL9#pR2@xQ1$vN).
    • Check the strength of your password on sites like How Secure Is My Password (do not enter your real password!).

    🕵️‍♂️ Reason 2: Password Leak

    Perhaps you once shared your password with guests, neighbors, or entered it on other people's devices. Solution:

    • Change your password (instructions in Section 4).
    • Set up MAC filtering (section 3), so that other people's gadgets cannot connect even with the old password.

    🕵️‍♂️ Reason 3: Router vulnerabilities

    Old router firmware often contains vulnerabilities that allow authentication to be bypassed. Solution:

    • Update your router firmware to the latest version (System Tools → Software Update).
    • Disable remote access to the admin panel (Administration → Remote Management).
    • Check your router for known vulnerabilities using the service Router Checker (from F-Secure).

    To monitor connections, use:

    • 📱 Apps like Fing or Wi-Fi Guardian (scan the network and notify about new devices).
    • 🖥️ PC programs: Wireless Network Watcher (free utility from NirSoft).
    • 📊 Built-in router tools: enable connection logging (System Tools → Journal).

    7. Legal aspects: is it possible to disable other people's devices?

    Technically, everything is clear, but what does the law say? In most countries (including Russia, Ukraine, and Kazakhstan) Unauthorized connection to someone else's Wi-Fi network is considered hacking. and may be classified as a violation of the article on unauthorized access to computer information (for example, Article 272 of the Criminal Code of the Russian Federation).

    It means:

    • ✅ You have every right disable and block any devices connected to your network without permission.
    • ✅ You can file a complaint with the police if your neighbor systematically uses your Wi-Fi after warnings.
    • ❌ It is impossible hack other people's devices in response (for example, connecting to their network or corrupting data).

    To strengthen your position:

    • Take screenshots of the list of connected devices with MAC addresses and connection time.
    • Save the router logs (System Tools → Journal).
    • If your neighbor refuses to terminate the connection, write an official warning (stating the consequences).
    ⚠️ Attention: In some countries (for example, the EU), the presumption of innocence applies: you'll have to prove that the connection was unauthorized. Router logs and screenshots will be a strong argument.

    FAQ: Frequently asked questions about disconnecting devices from Wi-Fi

    Is it possible to turn off the device without going into the router settings?

    Yes, but this is a temporary solution. For example:

    • On Windows: Use the command
      netsh wlan disconnect interface="Wi-Fi"
      (will disconnect all devices from your network for 30-60 seconds).
    • On Android: disable internet sharing in the settings (Mobile hotspot).

    However, this doesn't block the device permanently. A permanent solution requires tweaking the router settings.

    What should I do if someone else's device connects again after being blocked?

    Probably the attacker:

    • Substitutes MAC address (use IP to MAC binding).
    • Hacks the password (change it to a more complex one and enable WPA3).
    • Exploits a router vulnerability (update firmware).

    The last resort is resetting the router to factory settings and a complete reconfiguration with the new SSID and password.

    How do I find out which device belongs to my neighbor?

    Focus on:

    • Device name (for example, "Xiaomi_12T" or "iPhone-Mashi").
    • MAC address: the first 3 pairs of characters indicate the manufacturer (check through MAC Vendors Lookup).
    • Connection time: If the gadget appears at night or when you are not at home, it is suspicious.

    To accurately identify them, unplug all your devices and see which ones are left.

    Can my neighbor connect to my network even if I changed the password?

    Yes, if:

    • It has saved the old connection details (for example, in the smartphone settings). In this case, the device will attempt to connect automatically.
    • He uses Wi-Fi Pineapple or similar devices for intercepting traffic.
    • Your router is vulnerable to attacks like KRACK (check for firmware updates!).

    Solution: combination MAC filtering + SSID change + complex password reduces risks to a minimum.

    How to protect your network from connecting smart devices (lamps, cameras) to your neighbors?

    Smart gadgets often connect to the first open network they come across. To avoid this:

    • Disable the feature WPS (it is vulnerable to brute force attacks).
    • Hide SSID (disable it in your router settings) Broadcast SSID). Cons: You'll have to connect your devices manually.
    • Use a separate network for a smart home with limited internet access.