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Mitsubishi Electric Multiple FA Products (Update D)

August 27, 2026·Source: CISA
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TL;DR

View CSAF Summary Successful exploitation of this vulnerability could allow a remote attacker to cause a denial-of-service (DoS) condition, a timeout error, or a communication delay by sending a specially crafted UDP packet to the product. The following versions of Mitsubishi Electric Multiple FA Products (Update D) are affected: Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2S1-32D <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2S1-32T <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2S1-32TE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2S1-32DT <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2S1-32DTE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2B1-32D <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2B1-32T <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2B1-32TE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2B1-32DT <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2B1-32DTE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GNCF1-32D <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GNCF1-32T <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GNCE3-32D <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GNCE3-32DT <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN12A4-16D <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN12A4-16DE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN12A2-16T <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN12A2-16TE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN12A42-16DT <=09 (CVE-2025-351

What Happened

Mitsubishi Electric Multiple FA Products (Update D), reported by CISA.

View CSAF Summary Successful exploitation of this vulnerability could allow a remote attacker to cause a denial-of-service (DoS) condition, a timeout error, or a communication delay by sending a specially crafted UDP packet to the product. The following versions of Mitsubishi Electric Multiple FA Products (Update D) are affected: Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2S1-32D <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2S1-32T <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2S1-32TE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2S1-32DT <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2S1-32DTE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2B1-32D <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2B1-32T <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2B1-32TE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2B1-32DT <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN2B1-32DTE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GNCF1-32D <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GNCF1-32T <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GNCE3-32D <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GNCE3-32DT <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN12A4-16D <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN12A4-16DE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN12A2-16T <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN12A2-16TE <=09 (CVE-2025-3511) Mitsubishi Electric CC-Link IE TSN Remote I/O module NZ2GN12A42-16DT <=09 (CVE-2025-351

For the full technical details, see the original report.

Why It Matters for Businesses

This development could affect organizations that rely on the impacted technologies or services. Unpatched systems, misconfigured infrastructure, or lack of monitoring can leave businesses exposed to exploitation, data breaches, and regulatory penalties.

How to Check Your Exposure

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Mitigation Steps

  • Patch immediately, Apply vendor patches or updates as soon as they are available.
  • Review configurations, Check firewall rules, access controls, and security headers.
  • Monitor logs, Watch for indicators of compromise (IOCs) related to this threat.
  • Update security policies, Ensure incident response plans cover this type of threat.
  • Run a security scan, Use automated tools to verify your exposure.

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