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5.9

Mitsubishi Electric CNC Machines: Denial of Service via Malicious Network Traffic

CVE-2025-2399 · published 7 months ago
Summary

Attackers can send malicious network packets to Mitsubishi Electric CNC machines, causing them to crash and become unresponsive. This could disrupt production and operations. Mitsubishi Electric has released patches to fix the issue, which can be downloaded from their website.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
mitsubishi electric corporation mitsubishi electric cnc m800v series m800vw System Number BND-2051W000 versions BB and prior
mitsubishi electric corporation mitsubishi electric cnc m800v series m800vs System Number BND-2052W000 versions BB and prior
mitsubishi electric corporation mitsubishi electric cnc m80v series m80v System Number BND-2053W000 versions BB and prior
mitsubishi electric corporation mitsubishi electric cnc m80v series m80vw System Number BND-2054W000 versions BB and prior
mitsubishi electric corporation mitsubishi electric cnc m800 series m800w System Number BND-2005W000 versions FM and prior
mitsubishi electric corporation mitsubishi electric cnc m800 series m800s System Number BND-2006W000 versions FM and prior
mitsubishi electric corporation mitsubishi electric cnc m80 series m80 System Number BND-2007W000 versions FM and prior
mitsubishi electric corporation mitsubishi electric cnc m80 series m80w System Number BND-2008W000 versions FM and prior
mitsubishi electric corporation mitsubishi electric cnc e80 series e80 System Number BND-2009W000 versions FM and prior
mitsubishi electric corporation mitsubishi electric cnc c80 series c80 System Number BND-2036W000 all versions
mitsubishi electric corporation mitsubishi electric cnc m700v series m750vw System Number BND-1015W002 versions LJ and prior
mitsubishi electric corporation mitsubishi electric cnc m700v series m720vw System Number BND-1015W000 versions LJ and prior
mitsubishi electric corporation mitsubishi electric cnc m700v series m730vw System Number BND-1015W000 versions LJ and prior
mitsubishi electric corporation mitsubishi electric cnc m700v series m720vs System Number BND-1012W000 versions LJ and prior
mitsubishi electric corporation mitsubishi electric cnc m700v series m730vs System Number BND-1012W000 versions LJ and prior
mitsubishi electric corporation mitsubishi electric cnc m700v series m750vs System Number BND-1012W002 versions LJ and prior
mitsubishi electric corporation mitsubishi electric cnc m70v series m70v System Number BND-1018W000 versions LJ and prior
mitsubishi electric corporation mitsubishi electric cnc e70 series e70 System Number BND-1022W000 versions LJ and prior
Original advisory text
Denial of Service (DoS) Vulnerability in Mitsubishi Electric CNC Series
Improper Validation of Specified Index, Position, or Offset in Input vulnerability in Mitsubishi Electric CNC M800V Series M800VW and M800VS, M80V Series M80V and M80VW, M800 Series M800W and M800S, M80 Series M80 and M80W, E80 Series E80, C80 Series C80, and M700V Series M750VW, M720VW, 730VW, M720VS, M730VS, and M750VS, M70V Series M70V, E70 Series E70 allows a remote attacker to cause an out-of-bounds read, resulting in a denial-of-service condition by sending specially crafted packets to TCP port 683.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
5.9 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-1285Improper Validation of Specified Index, Position, or Offset in Input
Timeline
Published10 Mar 2026
Updated3 Nov 2026
First seen11 Mar 2026
Sources
CVE-2025-2399 · NVD
CVE-2025-2399 · MITRE
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