Mitsubishi Electric CNC M800V M800VW Service Port 683 improper validation of specified index, position, or offset in input

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Mitsubishi Electric CNC M800V M800VW, CNC M800V M800VS, CNC M80V M80V, CNC M80V M80VW, CNC M800 M800W, CNC M800 M800S, CNC M80 M80, CNC M80 M80W, CNC E80 E80, CNC C80 C80, CNC M700V M750VW, CNC M700V M720VW, CNC M700V M730VW, CNC M700V M720VS, CNC M700V M730VS, CNC M700V M750VS, CNC M70V M70V, CNC E70 E70, CNC Software Tools NC Trainer2 and CNC Software Tools NC Trainer2 plus. The affected element is an unknown function of the component Service Port 683. Such manipulation leads to improper validation of specified index, position, or offset in input. This vulnerability is documented as CVE-2025-2399. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Mitsubishi Electric CNC M800V M800VW, CNC M800V M800VS, CNC M80V M80V, CNC M80V M80VW, CNC M800 M800W, CNC M800 M800S, CNC M80 M80, CNC M80 M80W, CNC E80 E80, CNC C80 C80, CNC M700V M750VW, CNC M700V M720VW, CNC M700V M730VW, CNC M700V M720VS, CNC M700V M730VS, CNC M700V M750VS, CNC M70V M70V, CNC E70 E70, CNC Software Tools NC Trainer2 and CNC Software Tools NC Trainer2 plus and classified as critical. Affected by this issue is an unknown function of the component Service Port 683. The manipulation with an unknown input leads to a improper validation of specified index, position, or offset in input vulnerability. Using CWE to declare the problem leads to CWE-1285. The product receives input that is expected to specify an index, position, or offset into an indexable resource such as a buffer or file, but it does not validate or incorrectly validates that the specified index/position/offset has the required properties. Impacted is availability. CVE summarizes:

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.

The advisory is shared for download at mitsubishielectric.com. This vulnerability is handled as CVE-2025-2399 since 03/17/2025. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.9
VulDB Temp Score: 5.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (Mitsubishi): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper validation of specified index, position, or offset in input
CWE: CWE-1285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/17/2025 CVE reserved
03/10/2026 +358 days Advisory disclosed
03/10/2026 +0 days VulDB entry created
03/15/2026 +5 days VulDB entry last update

Sourcesinfo

Advisory: mitsubishielectric.com
Status: Confirmed

CVE: CVE-2025-2399 (🔒)
GCVE (CVE): GCVE-0-2025-2399
GCVE (VulDB): GCVE-100-349916

Entryinfo

Created: 03/10/2026 07:24
Updated: 03/15/2026 20:55
Changes: 03/10/2026 07:24 (60), 03/15/2026 20:55 (1)
Complete: 🔍
Cache ID: 216::103

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