A vulnerability exists in the HCI Modbus TCP function included in the product versions listed above. If the HCI Modbus TCP is en-abled and configured, an attacker could exploit the vulnerability by sending a specially crafted message to the RTU500, causing the receiving RTU500 CMU to reboot. The vulnerability is caused by the validation error in the length information carried in MBAP header in the HCI Modbus TCP function.

A vulnerability in the HCI Modbus TCP COMPONENT of Hitachi Energy RTU500 series CMU Firmware that is caused by the validation error in the length information carried in MBAP header allows an ATTACKER to reboot the device by sending a special crafted message. This issue affects: Hitachi Energy RTU500 series CMU Firmware 12.0.*; 12.2.*; 12.4.*; 12.6.*; 12.7.*; 13.2.*.

Уязвимость компонента HCI (Host Controller Interface), функционирующего по протоколу Modbus TCP, программируемых логических контроллеров Hitachi Energy RTU500 серии CMU, позволяющая нарушителю вызвать перезагрузку устройства