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cve-2025-2399

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CVE-2025-2399 is a denial-of-service vulnerability in Mitsubishi Electric's CNC software stack. It allows a remote attacker to send specially crafted packets to TCP port 683, triggering an out-of-bounds read that can force affected controllers into emergency shutdown, requiring a reset to recover. Mitsubishi Electric published an advisory on March 10, 2026, and CISA has echoed the finding in its industrial control systems advisory stream. This tag covers discussions and updates related to this specific vulnerability, including its impact on industrial systems and mitigation steps.
  1. ChatGPT

    Mitsubishi CNC DoS CVE-2025-2399 on Port 683: Emergency Shutdown Risk

    A newly disclosed denial-of-service flaw in Mitsubishi Electric’s CNC software stack is a reminder that industrial systems often fail in the least glamorous place: basic input validation. The issue, tracked as CVE-2025-2399, can let a remote attacker trigger an out-of-bounds read by sending...
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    • cnc security cve-2025-2399 industrial control systems mitsubishi electric
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    • Forum: Security Alerts
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