Stop Using Your Router’s USB Port – What PC Experts Recommend Instead

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ZDNET Highlights

• There may be USB ports on the back of your router, but I don’t recommend using them.
• These inputs often run on outdated, vulnerable protocols that can give cyber criminals access to sensitive files and information on your network.
• If you’re interested in a centralized storage platform, there are better options out there.

Have you ever wondered what the USB-A port on the back of your Wi-Fi router is for? Many things depending on the model. For example, port on Asus RT-BE86U The router can be used as a waypoint for basic file sharing on your network, charging small devices, and backing up your computer to an external drive.

But here’s the truth: I don’t recommend using it. Having a USB port on a router sounds convenient, but it also has some problems.

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The fact is that USB ports on routers are not secure. Many of them operate on outdated protocols, creating vulnerabilities that can be exploited by bad actors. This does not mean that the entire router has been compromised, but the USB port may be a weak link. Using it is not a risk worth taking, especially when safer alternatives are available.

Let’s discuss the biggest reasons why you should avoid using USB ports on your router and what to do instead.

1. It’s a security risk

When I say “old protocols”, I’m mostly referring to FTP or File Transfer Protocol. This is an old protocol from the 1970s that does not use any type of encryption; Even transmitting the password in plain text. FTP has been widely replaced by the HTTPS protocol, but recent routers like the Asus RT-BE86U also have ports that use it.

As Pragati Software As it turns out, a bad actor could easily take over those credentials with the right technical know-how, possibly even gaining access to your network.

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Another thing to pay attention to is SMBv1 (Server Message Block version 1). This is another file-sharing protocol that was specifically exploited WannaCry ransomware in 2017Infecting hundreds of thousands of systems worldwide.

Microsoft has been requesting Companies and IT professionals have disabled legacy protocols – and their use has actually declined – but they still exist on devices in people’s homes. Add to that the fact that malware becomes more sophisticated year after year, and relying on these protocols for file transfers over a router is simply too risky.

2. It’s incredible

This may seem obvious, but the primary purpose of a router is to set up and manage a wireless network. Hardware and software have been optimized for this. This happens when once a router deviates from its primary purpose, the quality of the technology deteriorates.

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Most consumer models do not have the processing power to handle both their normal networking functions and file transfers simultaneously. When the router is handling multiple workloads, you may encounter the following:

• slow wireless speeds
• latency spikes
• connection is lost
• file transfer failures

That last entry can come in many forms. It’s possible that only part of the file will be transferred, that it will be deleted, or worse, corrupted. To ensure connections remain stable, avoid using USB ports, especially if you have an older router.

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Articles till 2013 Note that the USB 3.0 standard interferes with 2.4 GHz Wi-Fi signals. The technology has improved dramatically since then, but it’s still something to keep in mind.

Another possible problem is overheating. The additional electrical load places additional stress on the hardware, causing internal temperatures to increase, which may result in decreased performance. Excessive heat doesn’t just affect the router; It may also shorten the lifespan of the device.

What do I recommend instead?

If you want reliable file sharing and media storage for your home, there are far more secure and better options.

buy a nas

Your best option is to invest in a NAS (network-attached storage), which is essentially a mini server for your home. While an external hardware drive can do something similar, NAS offers one major advantage: stronger data security.

NAS devices typically support AES-256 encryption to keep sensitive files and data secure. Many models also support RAID (redundant array of independent disks). This technology distributes data across multiple NAS drives, ensuring that your files remain safe even if one drive unexpectedly fails.

Also: Looking for a capable NAS? Here’s what I recommend (but it’s not for beginners)

If you’re interested, I highly recommend checking out ZDNET’s list of the best network-attached storage devices you can buy. TerraMaster F8 SSD Plus It is currently on top recommendation due to its quiet operation, good performance and compact size. However, it costs more than $800. For a more budget-friendly option, QNAP TS-233-US 2-Bay Your best choice.

Invest in Cloud Storage

Another good option is to use cloud storage instead of relying on a local drive. These platforms store files, photos, and videos securely online, making them accessible on any device with an Internet connection. Even better: Most providers have free storage plans.

Google This is one of the best, which provides 15GB at no cost to the users Apple’s iCloud And Microsoft’s OneDrive Each provides 5GB of space. The better these plans are, the sooner they are completed. All three offer paid subscriptions that expand your available space.

Also: Which cloud storage service should you buy in 2025? I compared the best options, and here’s my choice

I also want to offer a word of caution here. You may see lesser-known cloud storage providers advertising unusually large amounts of free space, up to 1TB. Although many of these services provide the storage they promise, they raise a lot of red flags. You’ll find many forum posts questioning the legality and safety of these services, so I urge caution.

How to use USB port safely

If you insist on using your router’s USB port, there are two important precautions to follow. First of all, use it only for non-important files. Do not share or transfer anything sensitive through the port. Stick to low-risk content, like movies you want to share with others in your household.

Secondly, install firmware updates as soon as they become available to fix any security issues and maintain stability. This assumes that your router is still receiving the update. Router manufacturers will discontinue support for older models. If your device is no longer supported, check out my list of five products I recommend to improve your Wi-Fi.