CVE-2025-3756 Denial of Service Vulnerabilities in System 800xA, Symphony® Plus IEC 61850

A vulnerability exists in the command handling of the IEC 61850 communication stack included in the product revisions listed as affected in this CVE. An attacker with access to IEC 61850 networks could exploit the vulnera bility by using a specially crafted 61850 packet, forcing the communication...

CVE-2026-1773

IEC 60870-5-104: 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 remediate the vulnerability but mitigates the risk of...

Evaluation of Real-Time Mitigation Techniques for Cyber Security in IEC 61850 / IEC 62351 Substations

The digitalization of substations enlarges the cyber-attack surface, necessitating effective detection and mitigation of cyber attacks in digital substations. While machine learning-based intrusion detection has been widely explored, such methods have not demonstrated detection and mitigation...

CVE-2025-39205

A vulnerability exists in the IEC 61850 in MicroSCADA X SYS600 product. The certificate validation of the TLS protocol allows remote Man-in-the-Middle attack due to missing proper validation...

The vulnerability of the mmsServerHandleDeleteNamedVariableListRequest() function in the C language library libIEC61850 allows a attacker to trigger a service failure.

The vulnerability of the mmsServerHandleDeleteNamedVariableListRequest function in the libIEC61850 library, written in the C language, is related to improper cleanup or release of resources. Exploiting this vulnerability could allow an attacker to cause service failures remotely...

The vulnerability of the HCI interface, which operates according to the IEC 60870-5-104 standard, and the programmable logic controllers Hitachi Energy RTU500, allows a intruder to trigger a service failure.

The vulnerability of the HCI interface, which operates according to the IEC 60870-5-104 standard, in the Hitachi Energy RTU500 programmable logic controllers is related to buffer overflow in the stack. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

Hitachi Energy RTU500 缓冲区错误漏洞

Hitachi Energy RTU500 is a series of industrial control components from Hitachi, Ltd Hitachi, Japan. A security vulnerability exists in the Hitachi Energy RTU500 Series that stems from a stack overflow vulnerability in the HCI IEC 60870-5-104 function...

Hitachi Energy Relion 输入验证错误漏洞

Hitachi Energy Relion is a power system for protection, control, measurement and monitoring from Hitachi Energy, Switzerland. A security vulnerability exists in the Hitachi Energy RTU500 series that stems from incorrect input validation in the APDU parser in the IEC 60870-5-104 function...

Martem TELEM-GW6/GWM Critical Function Missing Authentication Vulnerability

Martem specializes in providing remote control systems for monitoring and controlling distribution networks, and its customers include distribution companies as well as industrial and transportation companies that own their own power grids. A critical function missing authentication vulnerability...