Re: "a threat recognized by other federal agencies and the governments of other nations"
I'm not sure why you put France there. My country has not banned Huawei. There's a new law n°2019-810 that requires more control for 5G equipment, that applies to *all* hardware, explicitly including that from the EU. So looks like American companies should be worried too.
The restricted hardware list will come from the Prime Minister, but hasn't been published yet.
It's not likely to be as crazy as what the US do. The law already explicitly excludes 4G hardware already in use from those checks.