CVE-2025-2399
CWE-1285Published: March 10, 2026· Updated: Mar 11, 2026
Official Description
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, M700V Series M750VW, M720VW, 730VW, M720VS, M730VS, and M750VS, M70V Series M70V, E70 Series E70, and Software Tools NC Trainer2 and NC Trainer2 plus 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.
Technical Analysis
CVE-2025-2399 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.9.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
News & Research Mentioning CVE-2025-2399
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 are affected: M800VW (BND-2051W000) <=BB M800VS (BND-2052W000) <=BB M80V (BND-2053W000) <=BB M80VW (BND-2054W000) <=BB M800W (BND-2005W000) <=FM M800S (BND-2006W000) <=FM M80 (BND-2007W000) <=FM M80W (BND-2008W000) <=FM E80 (BND-2009W000) <=FM C80 (BND-2036W000) vers:all/* M750VW (BND-1015W002) vers:all/* M730VW (BND-1015W000) vers:all/* M720VW (BND-1015W000) vers:all/* M750VS (BND-1012W002) vers:all/* M730VS (BND-1012W000-**) vers:all/* M720VS (BND-1012W000) vers:all/* M70V (BND-1018W000) vers:all/* E7 [xlite_meta score:73 src:CISA Alerts xlite_fp:d5906d5f54c62036763c8473a56ef9e975fbcf963abf32a8d675c82bf7fdaad4]
All References (2)
Quick Facts
Known Threat Actors
Related CVEs (CWE-1285)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-2399 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts