Solved PC experts warn against using your router's USB port


Borg 386

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 Many of them operate on outdated protocols, creating vulnerabilities that can be exploited by bad actors.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

 

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@Borg

Wow, what a great link! Not only was that a decent article about routers and security regarding USB port on a router, but the cell phone articles were FANTASTIC! 👏 👌 😀 👍

Maybe you'll agree with me?!
👍😉







 

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I have yet to find any ISP-supplied router with a USB port that uses anything higher than SMB 1.0 to share out a drive plugged into it. I had for years used such a router to share out a 2TB HDD on my network, reluctantly enabling 'SMB 1.0/CIFS Client' on my PCs so that they could access it. Amongst other uses, this network drive was used as the File History drive for my main machine.

Then I switched to another ISP to get fibre to the house. The new router did not offer USB sharing, so I had to sort out an alternative solution. Rather than purchasing a NAS, I dug out an old laptop that I'd stopped using because of a faulty screen. I clean installed Windows 11 on it and it now runs 24/7 as a file server, sharing out that 2TB HDD so that I can continue using it as before. With 3 USB ports available, I could now share out a couple more of my external drives. I can use Remote Desktop if I ever need to access that PC.

It has been such a relief to finally be able remove SMB1 from all my PCs :-)

1766073499547.webp
 

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    Acer Aspire 3 A315-23-R9VY
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    UPDATE - 11 April 2026: due to lid hinges starting to break up this laptop has been retired from active duty. The OS with all software and files has been migrated to my System Seven in 'Other systems' to carry on as my general purpose 'main machine'.

    I've now clean installed 25H2 and used Garlin's scripts to update Secure Boot to CA 2023 and revoke the PCA 2011 certificates. It's new role is to test secure boot issues.

    Info for 2021-2026:
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    Intel® Core™ i5-520M
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Never used a router to expand storage, but one outstanding feature of my Asus routers is the ability to plug my phone into the USB port and provide Internet to the whole house when the wired broadband goes out. It's not just PCs and mobile devices, but all my IoT devices that need it.
 

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I have yet to find any ISP-supplied router with a USB port that uses anything higher than SMB 1.0 to share out a drive plugged into it.
My FRITZbox 7590 AX has no SMB 1.0. And I can completely shut it off from the Internet (the default situation). As for WLAN, I only use the safest protocol with a very strong password. So I don't feel how I could get any harm from the dangers that are warned for in the linked article in the startpost.

The disadvantage of attaching an (SSD) USB drive onto the router and using it as NAS is that it is using SMB2.0 or higher, which is slower than NETBios, which seems to be used by the official stand-alone NAS systems. But it's a very simple way to get a (small) central server for all devices in the network. I use it for exchange between normal Windows and systems on VirtualBox as well.

So I don't feel adressed by that article.
 

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Build by vendor to my specs
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F-Secure (Internetprovider version)
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Never used a router to expand storage, but one outstanding feature of my Asus routers is the ability to plug my phone into the USB port and provide Internet to the whole house when the wired broadband goes out. It's not just PCs and mobile devices, but all my IoT devices that need it.

That is really cool. I may have to do the bell mod to my home system and get that with a cell booster. We have 840gb of fast data per month with our mobile plans and we do have many winter storms that knock out service. What model Asus router do you have?
 

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RT-BE92U, but it also worked for my XT8 from 2021.

@barreleye
@LASTBOOMER66
Who really takes any notice of these "Self styled experts". For example Gartner -- who I'm surprised are still in business - was the "De-facto" advisory company to loads of corporates on I.T management. security and direction - but if you did the EXACT OPPOSITE of what they advised you were likely to be more than 85% successfull on average.

If you really believe in a load of this B/S supplied by these so-call;ed experts -- here you are :


Cheers
jimbo
 

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