This has been resolved with 10.02.00.PTF_10.2.031. Please open a ticket with Spectrum Support if this fix is needed.
The release notes show:
Symptom: Secure Domain Connector crash when modifying SNMPv3 profiles if SDC is connected
to multiple SpectroSERVERs.
Resolution: Protected against multiple SNMPv3 profile updates from running at the same time.