Patched already in all supported versions of Windows (10th October).
Apple should have patches out in the next few days.
Google is still working on fixes for its kit.
A couple of the more reputable Wi-Fi appliance providers (Ubiquiti, Intel, Cisco, Aruba) have already patched, but the usual suspects (Netgear, TP-Link and Co.) haven't said anything yet.
Devices from defunct manufacturers will always be at risk and most IoT devices will probably never get updates, the same goes for a vast majority of Android devices.
The Infineon TPM module debacle is of more concern at the moment.
Edit:
https://www.theregister.co.uk/2017/10/1 ... n_patches/