For the time being it would probably be prudent for the cameras and recorders to be quarantined from unprotected computers which remain connected to the internet and that internet computers have their system update function for Windows enabled.
There has been a software patch for embedded Windows XP provided freely by Microsoft although Windows XP itself is now EOL and normally only supported by custom contracts between existing large scale users and Microsoft.
Because the SI version of Windows XPe and the embedded applications on the P+S Technik camera-recorder are highly customised and protected, it might not be affected. I have not used or installed the PC or laptop versions so I don't know if the SI system protection is also available on them.
Until I can enquire with Ari Presler at SI or P+S Technik, I shall endeavour to keep my camera-recorder and editing computer quarantined with courier drives like USB sticks or portable drives used only on a one-way path from the camera-recorder and editor.