Solution was to plug it on short USB 2.0 extender cable which killed USB3.0 and issue disappeared.

I also did this as temporary solution, works, will try the tin foil wrapping of cables and stick at the weekend.

Thank you very much for the explanation, didn't expect this to be a general issue, already thought my device is broken. I read couple of the linked articles seems like a possible solution is also to just move the USB device further away from the router (with usb hub or extension cable), as silly as ...

Have the following problem: new ax3, was very happy with the device started deploying containers and stuff, so needed more storage, bought a SanDisk USB 3.0 stick with 256 GB storage attached it to the router via USB port, ever since degraded Wifi connectivity. I'm sourcing my internet from a public...

Currently not possible, but this in our to do list.

I need this now, I want to access a USB-Stick Miner from within a container, turn the router in a btc miner.