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This is why WebUSB/WebBT is a good thing, you can build configuration tools that run anywhere and are easily ported offline or replicated.

"Handy" and "a good thing" are not the same thing.

USB and BT are security nightmares, and the browser is a fantastic sandbox. I'm pretty sure a lot of 0-days will come from there.

As always you have a choice between things existing at all on Linux or fretting about the security issues that so far have not materialized.