Mitsubishi Electric CNC Series (Update A)

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 an out-of-bounds read, resulting in a denial-of-service condition in the affected products. The following versions of Mitsubishi Electric CNC Series (Update A) are affected: Mitsubishi Electric M800VW (BND-2051W000) <=BB (CVE-2025-2399) Mitsubishi Electric M800VS (BND-2052W000) <=BB (CVE-2025-2399) Mitsubishi Electric M80V (BND-2053W000) <=BB (CVE-2025-2399) Mitsubishi Electric M80VW (BND-2054W000) <=BB (CVE-2025-2399) Mitsubishi Electric M800W (BND-2005W000) <=FM (CVE-2025-2399) Mitsubishi Electric M800S (BND-2006W000) <=FM (CVE-2025-2399) Mitsubishi Electric M80 (BND-2007W000) <=FM (CVE-2025-2399) Mitsubishi Electric M80W (BND-2008W000) <=FM (CVE-2025-2399) Mitsubishi Electric E80 (BND-2009W000) <=FM (CVE-2025-2399) Mitsubishi Electric C80 (BND-2036W000) vers:all/* (CVE-2025-2399) Mitsubishi Electric M750VW (BND-1015W002) <=LJ (CVE-2025-2399) Mitsubishi Electric M730VW (BND-1015W000) <=LJ (CVE-2025-2399) Mitsubishi Electric M720VW (BND-1015W000) <=LJ (CVE-2025-2399) Mitsubishi Electric M750VS (BND-1012W002) <=LJ (CVE-2025-2399) Mitsubishi Electric M730VS (BND-1012W000) <=LJ (CVE-2025-2399) Mitsubishi Electric M720VS (BND-1012W000) <=LJ (CVE-2025-2399) Mitsubishi Electric M70V (BND-1018W000) <=LJ (CVE-2025-2399) Mitsubishi Electric E70 (BND-1022W000) <=LJ (CVE-2025-2399) CVSS Vendor Equipment Vulnerabilities

v3 5.9 Mitsubishi Electric Mitsubishi Electric CNC Series (Update A) Improper Validation of Specified Index, Position, or Offset in Input

Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Japan Vulnerabilities Expand All + CVE-2025-2399 Improper Validation of Specified Index, Position, or Offset in Input (CWE-1285) vulnerability in the affected products allows a remote attacker to cause an out-of-bounds read, resulting in a denial-of-service condition in the affected pr

What Happened

Mitsubishi Electric CNC Series (Update A), reported by CISA.

v3 5.9 Mitsubishi Electric Mitsubishi Electric CNC Series (Update A) Improper Validation of Specified Index, Position, or Offset in Input

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

Run a free scan on NEL Professional's Cyber Risk Scanner to check whether your domain is affected. The scan covers SSL/TLS, security headers, DNS configuration, email authentication, and more across 16 modules.

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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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