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CVE-2024-7316: Denial of Service (DoS) Vulnerability in Mitsubishi Electric CNC Series

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-17 · updated 2026-06-17
• Weakness: CWE-1284

Description

Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition on the product by sending specially crafted packets to TCP port 683, causing an emergency stop.

Affected products

• Mitsubishi Electric Corporation Mitsubishi Electric CNC C80 Series C80: through System Number BND-2036W000 versions BJ
• Mitsubishi Electric Corporation Mitsubishi Electric CNC E70 Series E70: through System Number BND-1022W000 versions LG
• Mitsubishi Electric Corporation Mitsubishi Electric CNC E80 Series E80: through System Number BND-2009W000 versions FH
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M720VS: through System Number BND-1012W000 versions LG
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M720VW: through System Number BND-1015W000 versions LG
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M730VS: through System Number BND-1012W000 versions LG
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M730VW: through System Number BND-1015W000 versions LG
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M750VS: through System Number BND-1012W002 versions LG
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M750VW: through System Number BND-1015W002 versions LG
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M70V Series M70V: through System Number BND-1018W000 versions LG
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M800 Series M800S: through System Number BND-2006W000 versions FH
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M800 Series M800W: through System Number BND-2005W000 versions FH
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M800V Series M800VS: through System Number BND-2052W000 versions B1
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M800V Series M800VW: through System Number BND-2051W000 versions B1
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M80 Series M80: through System Number BND-2007W000 versions FH
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M80 Series M80W: through System Number BND-2008W000 versions FH
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M80V Series M80V: through System Number BND-2053W000 versions B1
• Mitsubishi Electric Corporation Mitsubishi Electric CNC M80V Series M80VW: through System Number BND-2054W000 versions B1
• Mitsubishi Electric Corporation Mitsubishi Electric CNC Software Tools NC Trainer2: System Number BND-1802W000 all versions
• Mitsubishi Electric Corporation Mitsubishi Electric CNC Software Tools NC Trainer2 plus: System Number BND-1803W000 all versions

References

• https://jvn.jp/vu/JVNVU92054409/index.html
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2024-007_en.pdf

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