Rtu560 Firmware vulnerabilities

2 known vulnerabilities in Rtu560 Firmware from Hitachienergy. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.5 High severity

  RTU500 series CMU firmware: Incomplete List of Disallowed Inputs

  CVE-2026-1773Feb 24, 2026Hitachi Energy

  IEC 60870-5-104 used in RTU500: Potential Denial of Service impact on reception of invalid U-format frame. Product is only affected if IEC 60870-5-104 bi-directional functionality is configured. Enabling secure communication following IEC 62351-3 does not reme

• 7.5 High severity

  RTU500 series CMU firmware: Out-of-bounds Write

  CVE-2022-2081Jan 4, 2024Hitachi Energy

  A vulnerability exists in the HCI Modbus TCP function included in the product versions listed above. If the HCI Modbus TCP is enabled and configured, an attacker could exploit the vulnerability by sending a specially crafted message to the RTU500 in a high rat