Read the docs
TI-2023-03131 Aliases CVE-2023-3346GHSA-whh9-m2fc-3q2v

Denial of Service (DoS) and Remote Code Execution Vulnerability in MITSUBISHI CNC Series

Priority MEDIUM 53CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in MITSUBSHI CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition and execute arbitrary code on the product by sending specially crafted packets. In addition, system reset is required for recovery.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02095 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Mitsubishi Electric CorporationMITSUBISHI CNC M800V Series M800VWSystem Number BND-2051W000 versions A8 and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M800V Series M800VSSystem Number BND-2052W000 versions A8 and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M80V Series M80VSystem Number BND-2053W000 versions A8 and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M80V Series M80VWSystem Number BND-2054W000 versions A8 and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M800 Series M800WSystem Number BND-2005W000 versions FB and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M800 Series M800SSystem Number BND-2006W000 versions FB and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M80 Series M80System Number BND-2007W000 versions FB and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M80 Series M80WSystem Number BND-2008W000 versions FB and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC E80 Series E80System Number BND-2009W000 versions FB and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC C80 Series C80System Number BND-2036W000 versions BF and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M700V Series M720VWSystem Number BND-1015W000 versions LF and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M700V Series M730VWSystem Number BND-1015W000 versions LF and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M700V Series M750VWSystem Number BND-1015W002 versions LF and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M700V Series M720VSSystem Number BND-1012W000 versions LF and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M700V Series M730VSSystem Number BND-1012W000 versions LF and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M700V Series M750VSSystem Number BND-1012W002 versions LF and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC M70V Series M70VSystem Number BND-1018W000 versions LF and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC E70 Series E70System Number BND-1022W000 versions LF and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC IoT Unit Remote Service Gateway UnitSystem Number BND-2041W001 versions AD and prior—No fix listedCNA
Mitsubishi Electric CorporationMITSUBISHI CNC IoT Unit Data Acquisition UnitSystem Number BND-2041W002 all versions—No fix listedCNA
  • MITSUBISHI CNC M800V Series M800VW VendorMitsubishi Electric Corporation Affected System Number BND-2051W000 versions A8 and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M800V Series M800VS VendorMitsubishi Electric Corporation Affected System Number BND-2052W000 versions A8 and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M80V Series M80V VendorMitsubishi Electric Corporation Affected System Number BND-2053W000 versions A8 and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M80V Series M80VW VendorMitsubishi Electric Corporation Affected System Number BND-2054W000 versions A8 and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M800 Series M800W VendorMitsubishi Electric Corporation Affected System Number BND-2005W000 versions FB and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M800 Series M800S VendorMitsubishi Electric Corporation Affected System Number BND-2006W000 versions FB and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M80 Series M80 VendorMitsubishi Electric Corporation Affected System Number BND-2007W000 versions FB and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M80 Series M80W VendorMitsubishi Electric Corporation Affected System Number BND-2008W000 versions FB and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC E80 Series E80 VendorMitsubishi Electric Corporation Affected System Number BND-2009W000 versions FB and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC C80 Series C80 VendorMitsubishi Electric Corporation Affected System Number BND-2036W000 versions BF and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M700V Series M720VW VendorMitsubishi Electric Corporation Affected System Number BND-1015W000 versions LF and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M700V Series M730VW VendorMitsubishi Electric Corporation Affected System Number BND-1015W000 versions LF and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M700V Series M750VW VendorMitsubishi Electric Corporation Affected System Number BND-1015W002 versions LF and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M700V Series M720VS VendorMitsubishi Electric Corporation Affected System Number BND-1012W000 versions LF and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M700V Series M730VS VendorMitsubishi Electric Corporation Affected System Number BND-1012W000 versions LF and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M700V Series M750VS VendorMitsubishi Electric Corporation Affected System Number BND-1012W002 versions LF and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC M70V Series M70V VendorMitsubishi Electric Corporation Affected System Number BND-1018W000 versions LF and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC E70 Series E70 VendorMitsubishi Electric Corporation Affected System Number BND-1022W000 versions LF and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC IoT Unit Remote Service Gateway Unit VendorMitsubishi Electric Corporation Affected System Number BND-2041W001 versions AD and prior Fixed in — No fix listed CNA
  • MITSUBISHI CNC IoT Unit Data Acquisition Unit VendorMitsubishi Electric Corporation Affected System Number BND-2041W002 all versions Fixed in — No fix listed CNA

CPE configurations NVD · 42

CPEVersionsRoleVendor
cpe:2.3:o:mitsubishielectric:c80_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:c80:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:e70_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:e70:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:e80_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:e80:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m70v_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m70v:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m720vs_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m720vs:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
Show 32 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:mitsubishielectric:m720vs_15-type_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m720vs_15-type:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m720vw_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m720vw:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m730vs_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m730vs:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m730vs_15-type_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m730vs_15-type:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m730vw_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m730vw:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m750vs_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m750vs:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m750vs_15-type_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m750vs_15-type:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m750vw_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m750vw:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m80_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m80:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m800s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m800s:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m800vs_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m800vs:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m800vw_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m800vw:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m800w_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m800w:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m80v_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m80v:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m80vw_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m80vw:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:m80w_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:m80w:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3346
  2. 2026-10-03 Alias added: GHSA-whh9-m2fc-3q2v

References

  • TI-2022-14737 Deserialization of untrusted data in Mitsubishi Electric Corporation GENESIS64 CVSS 3.1CRITICAL 9.8
  • TI-2022-19113 Authentication Bypass Vulnerability in Web Server Function on MELSEC Series CVSS 3.1CRITICAL 9.1
  • TI-2023-01345 Denial-of-Service and Remote Code Execution Vulnerability in MELSEC Series CPU module CVSS 3.1CRITICAL 10.0
  • TI-2023-06346 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')… CVSS 3.1CRITICAL 9.8
  • TI-2021-03821 Memory corruption in Mitsubishi Electric Corporation CPU Module Logging Configuration Tool CVSS 3.1CRITICAL 9.8
  • TI-2025-03259 Missing authentication in Mitsubishi Electric Corporation G-50 CVSS 3.1CRITICAL 9.8
See all 151 →

Sources