PCU400, or Process Communication Unit 400, versions 4.4 through 4.6 suffer from a buffer overflow in the component that handles the IEC60870-5-101 and IEC60870-5-104 communication protocols.
6a6d07a48e90afa3d9a6977d1332f2a8d5a2df0cbc5b4335fd605011a69cb65e