The vulnerability of the microprogrammed control module software for Schneider Electric Easergy T300 (HU250) automation systems in transformer substations stems from the lack of protection for operational data. This allows a malicious individual to compromise the closed keys used by the device.

The vulnerability of the microprogrammed control module software for Schneider Electric Easergy T300 HU250 automation systems in transformer substations is related to the lack of protection for operational data. Exploiting this vulnerability allows a malicious actor to compromise the closed keys...