Definitely get those devices protected! SCSP/DCS might be what they need, or SEP 12.1 RU6.
This article may help:
Symantec Endpoint Protection support for embedded operating systems
Article URL: http://www.symantec.com/docs/TECH106027
Please do update this thread with news if you have received your solution, or with any additional questions!
With thanks and best regards,
Mick