Wi-Fi Protected Setup (WPS) on a Router: A Complete Guide with Pros and Cons

Have you ever noticed a button on your router that says WPS or point Wi-Fi Protected Setup In the web interface? Many users ignore this feature, and some don't even know it exists. Meanwhile, WPS can either simplify connecting devices to Wi-Fi or become a security breach in your network—it all depends on how and when you use it.

In this article we will take a detailed look at what it is Wi-Fi Protected Setup, how it works on modern routers (including models from TP-Link, ASUS, Keenetic and other brands), and why cybersecurity experts often recommend disabling this feature. You'll also find step-by-step setup instructions, a comparison of connection methods (PIN vs. PBC), and answers to frequently asked questions.

If you want to quickly connect your smartphone, printer, or smart speaker to Wi-Fi without entering a password, WPS can help. But if network security is your priority, it's worth weighing the pros and cons. Let's find out!

What is WPS on a router and why is it needed?

Wi-Fi Protected Setup (WPS) - this is a standard developed Wi-Fi Alliance Introduced in 2006 to simplify connecting devices to a wireless network, the technology's primary goal is to eliminate the need for users to manually enter long Wi-Fi passwords, especially on devices without a keyboard (such as printers, IP cameras, or smart bulbs).

WPS supports two main authentication methods:

• 🔢 PIN code — an 8-digit digital code that can be found on the router's sticker or in its web interface. Some devices (e.g., printers) HP or Canon) request this PIN to connect.
• 🖱️ PBC (Push-Button Configuration) — a physical button on the router body that needs to be pressed to activate pairing mode (usually within 2 minutes).

The technology was initially positioned as a universal solution for "dummies," but over time, serious vulnerabilities emerged, particularly in the PIN authentication method. Nevertheless, WPS is still present in most modern routers, from budget ones Tenda to the flagship Netgear Nighthawk.

How WPS Works: A Breakdown of the Connection Mechanism

To understand why WPS is so controversial among experts, let's look at how it works on a technical level. When you activate WPS (by pressing a button or entering a PIN), the router temporarily goes into connection standby mode. During this time, it:

1. Generates unique session key to encrypt traffic.
2. Sends a broadcast signal about WPS availability (if the function is enabled in the settings).
3. Waits for a request from the device with the correct PIN or confirmation of a button press (in case of PBC).
4. After successful authentication, it automatically transfers network settings (SSID name, encryption type, password) to the device.

The key feature of WPS is that it does not replace, but complements the basic network encryption (WPA2/WPA3). This means that even if the device connects via WPS, the traffic is still protected by a Wi-Fi password. However, this technology has critical weaknesses:

Important: Most modern routers disable WPS by default due to security risks. If this feature is enabled, it's a good idea to disable it if you don't use it regularly.

How to Enable or Disable WPS on a Router: Step-by-Step Instructions

The WPS setup process varies depending on your router model and firmware version. Below are general instructions for popular brands. If your model isn't listed, the process is similar—look for the section Wi-Fi Protected Setup or WPS in the web interface.

Open your browser and enter your router's IP address (usually 192.168.0.1 or 192.168.1.1)|

Log in (default logins: admin/admin or admin/password from the sticker)|

Check if your router is connected to the internet (not required to set up WPS, but recommended) -->

1. TP-Link routers (Archer, Deco, TL-WR)

Go to Advanced Settings → Wireless → WPSHere you will see:

• 🔄 WPS status (On/Off).
• 📝 Current PIN code (you can generate a new one).
• 🖱️ Button Add a device to activate PBC mode.

On models with a hardware button (eg. TP-Link Archer C6) you can press it physically - the WPS indicator will start blinking.

2. ASUS routers (RT-AX, RT-AC, ZenWiFi)

In the interface ASUSWRT the path is this: Wireless Network → WPS. Available here:

• 🔧 Setting up PIN mode (enable/disable).
• ⚙️ Option Enable WPS connection notification (useful for control).
• 🔄 Button Resetting WPS settings (if the PIN is compromised).

On models ASUS RT-AX86U and newer WPS is disabled by default - it must be activated manually.

3. Keenetic routers (Giga, Hero, Viva)

In the web interface KeeneticOS go to Home Network → Wi-Fi → WPS. Peculiarities:

• 🛡️ Function automatically turns off after 2 minutes after activation.
• 📱 Connection via is supported QR code (alternative to WPS).
• 🔒 The PIN code is generated randomly each time WPS is enabled.

If your router does not support a web interface (for example, Zyxel Keenetic Lite III), the settings can be done through the brand's mobile application.

WPS Security: Why Experts Recommend Disabling This Feature

Despite its convenience, WPS has long been criticized by cybersecurity experts. The main risks are:

⚠️ Attention: If your router is located in a location accessible to outsiders (such as an office or the hallway of an apartment building), an intruder could physically press the WPS button and connect to the network. This is especially true for routers with a button on the front panel (e.g., D-Link DIR-615).

The most serious vulnerability is related to PIN code:

1. The 8-digit code actually consists of 7 digits + a checksum (the last digit is calculated by an algorithm).
2. This reduces the number of possible combinations from 100 million to 10 million.
3. An attacker can try all the options in a few hours using specialized software (for example, Reaver or Wash).

Other issues:

• 🔓 Many routers do not block PIN guessing attempts, even after multiple errors.
• 📡 WPS may conflict with modern encryption standards (such as WPA3), forcing the network to use the outdated WPA2.
• 🛠️ Some devices (especially older printers) require WPS to connect but do not support security updates.

Research shows that More than 50% of routers with WPS enabled are vulnerable to attacks, even if they have a complex Wi-Fi password. Therefore, most experts recommend:

⚠️ Attention: If you don't use WPS regularly (for example, to connect guest devices), Disable this feature in your router settings.This will reduce the risk of unauthorized access to your network.

When WPS Can Be Useful: 3 Legitimate Scenarios

Despite the risks, there are situations where WPS is justified:

1. Connecting devices without an on-screen keyboard

   For example, smart sockets Xiaomi, IP cameras Hikvision or printers Brother Often lack a user-friendly interface for entering a password. WPS allows you to connect them to the network in seconds.

2. Guest network with limited access

   Some routers (eg. Netgear Orbi) allow you to create guest Wi-Fi with a separate WPS. This isolates the main network from potential threats.

3. Fast connection in a controlled environment

   In offices or coworking spaces where the router is physically protected, WPS speeds up the connection of new employees without disclosing the password.

If you decide to use WPS, follow the security guidelines:

• 🔄 Disable WPS immediately after connecting the device.
• 🔒 Use only the method PBC (button) - it is more secure than PIN.
• 📱 Set up notifications for new connections (if your router supports them).

What to do if WPS doesn't work?

If the WPS button does not respond or the device does not connect, check:

1. Compatibility of standards: Some devices (such as iOS smartphones) do not support WPS.

2. Distance to the router: For PBC, the device must be within Wi-Fi range.

3. Rebooting the router: Sometimes turning off the power for 30 seconds helps.

4. Firmware update: Outdated software may contain errors in WPS operation.

WPS Alternatives: More Secure Connection Methods

If you want to get rid of WPS but need a convenient way to connect devices, consider alternatives:

The most reliable way is use a complex Wi-Fi password and enter it manually. Modern smartphones and laptops remember networks, so re-entering is not required. For devices without a screen (e.g., Amazon Echo) you can temporarily simplify the password, and then return it to a complex one after connecting.

FAQ: Frequently asked questions about WPS on a router

❓ Is it possible to hack Wi-Fi via WPS?

Yes, if the router is in the enabled mode PIN authenticationAttackers can use utilities like Reaver or Aircrack-ng for code selection. Method PBC (button) vulnerable only with physical access to the router.

❓ Why isn't WPS working on my iPhone?

Devices Apple (iPhone, iPad, Mac) do not support WPS for security reasons. Instead, use the Wi-Fi password or, if your router supports it, connect via QR code.

❓ How do I reset the WPS PIN?

In most routers, the PIN is reset along with other settings (button Reset on the back panel). On some models (for example, ASUS) you can generate a new PIN in the web interface in the WPS section.

❓ Does WPS affect Wi-Fi speed?

No, WPS does not affect connection speed or stability. It only works during the device connection phase. After successful authentication, the network functions normally.

❓ Can WPS be used with Mesh systems?

Yes, but with some caveats. In mesh networks (for example, Google Nest Wi-Fi or TP-Link DecoWPS typically only works on the primary router. Make sure it's enabled on the router you're connecting the device to.

If your question isn't covered in this article, check the documentation for your specific router model or contact the manufacturer's support team. WPS settings may vary depending on firmware and regional standards.