CVE-2026-52786 BACnet Stack: malicious ReadPropertyMultiple-ACK with excessive properties causes global-buffer-overflow in ProcessRPMData()

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.5, 1.5.1, and 1.6.0, in the official apps/epics client tool on v1.6.0-rc1 not in the generic BACnet RPM ACK decoder alone a malicious BACnet/IP endpoint can reply to the EPICS tool’s legitima...