How to Update Router Firmware for Better Security and Performance

Idrees Shafiq

Idrees Shafiq

March 17, 2025
Updated on March 17, 2025
How to Update Router Firmware for Better Security and Performance

Firmware updates are often overlooked, yet they are as important as updating your smartphone’s operating system or your computer’s antivirus software. Router manufacturers release these updates to address vulnerabilities, improve performance, and introduce new features. Ignoring them can expose your network to cyber threats, slow your internet speed, or cause connectivity issues.

A secure and updated router ensures your VPN connection remains private and uninterrupted, safeguarding your online activities from prying eyes. Whether you’re streaming, gaming, or working remotely, an updated router firmware ensures your network is optimized for speed and security.

In this guide, we’ll explain everything you need to know about updating your router firmware, from why it’s essential to how to do it step-by-step. Let’s explore why keeping your router firmware up-to-date is not just a recommendation but a necessity.

What is Router Firmware?

When you think about your router, you usually picture its look or the Wi-Fi signal it sends out. But there’s an important part that keeps everything running smoothly: its firmware.

Router firmware is the embedded software that controls how your router operates. It’s the bridge between the hardware (the physical router) and the tasks it performs, such as directing internet traffic, managing connected devices, and enforcing security protocols. Think of it as the “brain” of your router; without firmware, it would be nothing more than a plastic box with blinking lights.

Unlike regular software installed on your computer or smartphone, firmware is preloaded onto the router’s memory chips. It’s designed to be low-level and permanent, but the manufacturer can (and should) periodically update it.

How Does Firmware Differ from Software?

While both firmware and software are types of code, they serve different purposes:

  • Software is user-facing and can be easily installed, updated, or removed. Examples include apps, operating systems, and programs.
  • Firmware is hardware-specific and operates at a deeper level. It does not interact with you directly, but it ensures your router’s hardware functions correctly.

Why Do Manufacturers Release Firmware Updates?

Router manufacturers regularly release firmware updates to:

  1. Fix Security Vulnerabilities: Cyber threats are constantly evolving, and outdated firmware can leave your router exposed to attacks like malware, ransomware, or unauthorized access.
  2. Improve Performance: Updates can optimize your router’s speed, stability, and compatibility with newer devices.
  3. Add New Features: Firmware updates often introduce new functionalities, such as advanced parental controls, guest network options, or support for the latest Wi-Fi standards.
  4. Fix Bugs: No software is perfect, and firmware updates address known issues or glitches that could affect your router’s performance.

Benefits of Updating Your Router Firmware

Updating your router firmware might seem like a technical chore, but the benefits far outweigh the effort. Whether you’re a casual internet user or a tech enthusiast, keeping your router’s firmware up-to-date is one of the simplest yet most effective ways to enhance your network’s security, performance, and functionality. Here’s why:

1. Enhanced Security Against Cyber Threats

Your router is the first line of defense for your network, and outdated firmware can leave it vulnerable to cyberattacks. Hackers often exploit known vulnerabilities in older firmware versions to gain unauthorized access to your network, steal sensitive data, or even hijack your devices.

By updating your router firmware, you:

  • Patch known security vulnerabilities.
  • Protect your network from malware, ransomware, and other cyber threats.
  • Ensure your VPN connection (like AstrillVPN) remains secure and private.

This is especially critical for AstrillVPN users. A compromised router can bypass the encryption provided by your VPN, exposing your online activities to prying eyes. Regular firmware updates help maintain a secure foundation for your VPN-protected connection.

2. Improved Router Performance and Stability

Over time, routers can experience performance issues like slow speeds, frequent disconnections, or difficulty handling multiple devices. Firmware updates often include optimizations that:

  • Boost your router’s speed and efficiency.
  • Resolve connectivity issues and reduce lag.
  • Improve compatibility with newer devices and technologies.

For example, if you’ve recently upgraded to a Wi-Fi 6-enabled device but your router is still running outdated firmware, you might not be getting the full benefits of the new technology. A firmware update can unlock your router’s full potential.

3. Access to New Features and Functionalities

Router manufacturers frequently release firmware updates that introduce new features or enhance existing ones. These updates can include:

  • Advanced parental controls for managing internet usage.
  • Guest network options for secure sharing with visitors.
  • Quality of Service (QoS) settings to prioritize bandwidth for specific activities (e.g., streaming or gaming).
  • Support for the latest Wi-Fi standards and protocols.

4. Bug Fixes and Glitch Resolutions

No software is perfect, and firmware is no exception. Bugs and glitches can cause unexpected issues, such as random reboots, dropped connections, or settings that don’t work as intended. Firmware updates often include fixes for these problems, ensuring a smoother and more reliable experience.

5. Future-Proofing Your Network

Technology evolves rapidly, and your router needs to keep up. Firmware updates ensure that your router remains compatible with new devices, applications, and internet standards. This future-proofing is especially important for AstrillVPN users who rely on a stable and secure connection for streaming, gaming, or remote work.

6. Peace of Mind

Knowing that your router is running the latest firmware gives you peace of mind. You can browse, stream, and work online without worrying about security breaches or performance issues. It’s a small step that makes a big difference in your overall online experience.

How to Check Your Current Router Firmware Version

Before starting to update your router’s firmware, it’s essential to know which version you’re currently using. This information helps you determine whether an update is available and ensures you’re downloading the correct firmware file for your router model. Checking your firmware version is a straightforward process, and the steps vary slightly depending on your router’s brand. Here’s a detailed guide:

Step 1: Access Your Router’s Admin Panel

Ensure your device (computer, smartphone, or tablet) is connected to your router’s network via Wi-Fi or an Ethernet cable.

  1. Now you will have to find your router’s IP address. Most routers use a default IP address to access the admin panel. Common addresses include:
  • 192.168.0.1
    • 192.168.1.1
    • 192.168.2.1
  1. Open a web browser (e.g., Chrome, Firefox, or Edge), type the router’s IP address into the address bar, and Press Enter.
  2. Now log in to your router’s admin panel. You’ll be prompted to enter your router’s username and password. If you haven’t changed these, check the default credentials in the router’s manual or on the manufacturer’s website.

Step 2: Locate the Firmware Version

Once you’re logged into the admin panel, navigate to the section where the firmware version is displayed. The exact location varies by brand, but here’s a general guide for popular router manufacturers:

  • Netgear:
    • Go to Advanced > Administration > Firmware Update.
    • The current firmware version will be displayed under the Current Firmware Version.
  • TP-Link:
    • Navigate to System Tools > Firmware Upgrade.
    • The firmware version will be listed at the top of the page.
  • Asus:
    • Go to Administration > Firmware Upgrade.
    • The current firmware version will be displayed under the Firmware Version.
  • Linksys:
    • Navigate to Router Settings > Connectivity > Firmware Update.
    • The firmware version will be listed under Current Version.
  • D-Link:
    • Go to Tools > Firmware.
    • The firmware version will be displayed under the Current Firmware Version.
  • Google Nest Wifi or Google Wifi:
    • Open the Google Home app, select your router, and go to Settings > Network & General > Advanced Networking > Firmware Version.

Step 3: Compare with the Latest Version

Once you’ve noted your current firmware version, visit the manufacturer’s official website to check if a newer version is available. Look for the Support or Downloads section, enter your router’s model number, and compare the latest firmware version with the one installed on your router.

How to Update Router Firmware

  1. Back-Up Your Router Settings:
  • Log in to your router’s admin panel.
  • Go to Administration or System Tools.
  • Click Backup or Save Settings and save the file to your computer.
  1. Download the Latest Firmware:
  2. Visit the manufacturer’s website (e.g., Netgear, TP-Link, Asus).
  3. Go to the Support or Downloads section.
  4. Enter your router’s model number and download the latest firmware file.
  1. Connect Your Computer to the Router:
  2. Use an Ethernet cable for a stable connection.
  1. Log In to Your Router’s Admin Panel:
  2. Open a browser and enter your router’s IP address (e.g., 192.168.1.1).
  3. Enter your username and password.
  1. Locate the Firmware Update Section:
  • For Netgear: Go to Advanced > Administration > Firmware Update.
  • For TP-Link: Go to System Tools > Firmware Upgrade.
  • For Asus: Go to Administration > Firmware Upgrade.
  • For Linksys: Go to Router Settings > Connectivity > Firmware Update.
  • For D-Link: Go to Tools > Firmware.
  1. Upload the Firmware File:
  • Click Browse or Choose File and select the firmware file you downloaded.
  • Click Upload or Upgrade.
  1. Wait for the Update to Complete:
  • Do not turn off the router or disconnect during the update.
  • The router will reboot automatically when done.
  1. Log In and Verify the Update:
  • After the reboot, log back into the admin panel.
  • Check the firmware version to confirm the update was successful.
  1. Restore Your Settings (Optional):
  • If needed, go to Administration > Restore Settings and upload your saved configuration file.

Common Router Issues That Affect AstrillVPN Performance (and How Firmware Updates Help)

Using AstrillVPN is one of the best ways to protect your online privacy and bypass geo-restrictions. You can get AstrillVPN on your router by following our AstrillVPN router guide.

However, your VPN’s performance heavily depends on the health and functionality of your router. Outdated router firmware can lead to a range of issues that disrupt your AstrillVPN experience. Here are some common router problems and how firmware updates can help resolve them:

1. Slow Internet Speeds

The Problem:

If your internet feels sluggish while using AstrillVPN, the issue might not be with the VPN itself. Outdated router firmware can cause bottlenecks, reducing your connection speed and making activities like streaming, gaming, or video calls frustrating.

Firmware updates often include performance optimizations that improve your router’s ability to handle data traffic efficiently. This can lead to faster speeds and a smoother VPN experience.

2. Frequent Disconnections

Random disconnections while using AstrillVPN can interrupt your workflow or streaming session. This is often caused by bugs or stability issues in your router’s firmware. Manufacturers release firmware updates to fix bugs and improve stability. Updating your router can eliminate these disconnections, ensuring a consistent and reliable VPN connection.

3. Incompatibility with Modern Devices

If you’ve recently upgraded to a new smartphone, laptop, or smart home device, you might notice that it doesn’t work well with your router. This can affect your AstrillVPN performance, especially if the device struggles to maintain a stable connection.

Firmware updates often include support for newer devices and technologies, ensuring compatibility and seamless connectivity for all your gadgets.

4. Weak Wi-Fi Signal

A weak Wi-Fi signal can cause your AstrillVPN connection to drop or slow down, especially if you’re far from the router. When you update firmware on router, it improves your router’s Wi-Fi signal strength and range, ensuring a stable connection throughout your home or office.

5. Security Vulnerabilities

Outdated firmware can leave your router vulnerable to cyberattacks, which can compromise your AstrillVPN connection and expose your online activities. Firmware updates patch known security vulnerabilities, protecting your router from hackers and ensuring your VPN connection remains secure.

6. VPN Compatibility Issues

Some older routers may not fully support VPN protocols like OpenVPN or WireGuard, which AstrillVPN uses. This can lead to connection failures or reduced performance. Firmware updates can add support for modern VPN protocols, ensuring your router works seamlessly with AstrillVPN.

7. Overheating and Hardware Strain

Routers that run outdated firmware may overwork themselves, leading to overheating or hardware strain. This can cause crashes and slow performance. Firmware updates often include optimizations that reduce the strain on your router’s hardware, preventing overheating and improving overall performance.

How to Ensure AstrillVPN Runs Smoothly After a Firmware Update

Updating your router’s firmware is a great step toward improving your network’s performance and security. However, to ensure AstrillVPN runs smoothly after the update, you’ll need to take a few extra steps. Here’s what to do:

1. Reboot Your Router

After updating the firmware, restart your router. This ensures all changes take effect and clears any temporary glitches that might affect AstrillVPN.

2. Reconnect AstrillVPN

Reconnect your devices to AstrillVPN. If you’re using the VPN on your router, reconfigure the VPN settings in the admin panel to ensure everything is set up correctly.

3. Check VPN Protocol Compatibility

Ensure your router supports the VPN protocols AstrillVPN uses (e.g., OpenVPN, WireGuard). If the firmware update added new protocol support, switch to the most efficient one for your needs.

4. Test Your Connection

Run a speed test and check for leaks (e.g., DNS or IP leaks) using AstrillVPN’s built-in tools. This ensures your VPN connection is secure and performing well.

5. Update AstrillVPN Settings

If your router’s firmware update changes any network settings, update your AstrillVPN configuration accordingly. For example, check port forwarding or firewall settings to ensure they don’t block the VPN.

6. Monitor for Issues

Keep an eye on your connection for a few hours. If you notice any problems (e.g., slow speeds or disconnections), restart your router or tweak the VPN settings.

FAQs

How do I know if my router needs a firmware update?

Check your router’s admin panel for the current firmware version, then compare it to the latest version on the manufacturer’s website. If your version is outdated, an update is needed.

Do routers automatically update the firmware?

Some modern routers support automatic updates, but most require manual updates. Check your router’s settings or manual to see if it has an auto-update feature.

Does my Wi-Fi router need to be updated?

Yes, updating your router improves security, performance, and compatibility. If your router is more than a year old or you’ve never updated it, it’s likely due for an update.

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