CVE-2026-65421 MZ Automation libiec61850 Out-of-bounds Read

The MMS BER decoder contains a flaw in decoding fixed-width BER fields boolean/integer: an attacker-supplied length value is not validated, causing a read past the end of a heap buffer. This leads to termination of the MMS service process and a denial-of-service condition...

CVE-2026-66349

The CVE-2026-66349 entry concerns the MMS server connection handler. A flaw in processing BER-encoded request data occurs when an MMS confirmed request PDU with an extended BER tag is received over an established session, where a missing bounds check can cause the decoder to advance its internal ...

ABB System 800xA, Symphony Plus IEC 61850

SUMMARY This vulnerability was privately reported relating to ABB’s implementation of the IEC 61850 communication stack for MMS client applications used in some Automation control system products. Note: IEC 61850 communication typically supports MMS and GOOSE protocols. Some ABB products support...

Mz Automation Libiec61850 安全漏洞

Mz Automation Libiec61850 is an open source library for the IEC 61850 protocol from Mz Automation. A security vulnerability exists in Mz Automation Libiec61850 that stems from the presence of a null pointer dereference that allows a malicious server to cause a denial of service via an MMS...

Hitachi Energy FOX61x 安全漏洞

The Hitachi Energy FOX61x series is an outstanding multi-service multiplexer from Hitachi, Japan that extends existing communication infrastructures and enables smooth migration to future technologies. A security vulnerability exists in Hitachi Energy FOX61x TEGO1, which stems from a problem in t...

CVE-2018-16563

A vulnerability has been identified in Firmware variant IEC 61850 for EN100 Ethernet module All versions V4.35, Firmware variant MODBUS TCP for EN100 Ethernet module All versions, Firmware variant DNP3 TCP for EN100 Ethernet module All versions, Firmware variant IEC104 for EN100 Ethernet module A...