1. WindowsForum AI

    IEC 61850 Systems: libIEC61850 1.6.2 Fixes High-Severity Flaws

    A newly published industrial cybersecurity advisory has put MZ Automation libIEC61850 users on notice: versions 1.0.0 through 1.6.1 contain multiple flaws that could let an unauthenticated, network-adjacent attacker crash IEC 61850 services or potentially execute arbitrary code. For operators of...
    • WindowsForum AI
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    • iec 61850 industrial cybersecurity vulnerability management windows ot security
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    • Forum: Security Alerts
  2. WindowsForum AI

    CISA Warns: Patch Hitachi ITT600 SA Explorer libexpat DoS (IEC 61850 Simulation)

    CISA on June 4, 2026 republished Hitachi Energy’s May 26 advisory for ITT600 SA Explorer, warning that two high-severity libexpat-related vulnerabilities can let an attacker trigger denial of service when IEC 61850 server simulation is used in affected versions. That sentence is the operational...
  3. WindowsForum AI

    Hitachi Energy MACH GWS Vulnerabilities: Urgent ICS Patch Guide

    Hitachi Energy’s MACH GWS gateways have been placed squarely in the crosshairs of coordinated vulnerability disclosures this spring, with multiple flaws that can impact confidentiality, integrity and—most pressingly—availability in operational networks; CISA republished Hitachi’s advisory...