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Critical severity10.0NVD Advisory· Published May 24, 2023· Updated Jun 17, 2026

CVE-2023-1424

CVE-2023-1424

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELSEC iQ-R Series CPU modules allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on a target product by sending specially crafted packets. A system reset of the product is required for recovery from a denial of service (DoS) condition and malicious code execution.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

50
  • Mitsubishielectric/MELSECllm-create
  • Mitsubishielectric/MELSEC iQ-F Series CPU modulellm-fuzzy
  • Mitsubishielectric/MELSEC iQ-F Series FX5-ENETcpe-rescue21 versions
    Serial number 17X**** or later, versions from 1.220 to 1.281+ 20 more
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
    • (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
  • Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5UC-32MR/DS-TSv5
    Range: versions from 1.220 to 1.281
  • Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5UC-32MT/DSSv5
    Range: Serial number 17X**** or later, versions from 1.220 to 1.281
  • Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5UC-32MT/DSS-TSv5
    Range: versions from 1.220 to 1.281
  • Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5UC-32MT/DS-TSv5
    Range: versions from 1.220 to 1.281
  • Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5UC-64MT/DSSv5
    Range: Serial number 17X**** or later, versions from 1.220 to 1.281
  • Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5UC-96MT/DSSv5
    Range: Serial number 17X**** or later, versions from 1.220 to 1.281
  • Mitsubishielectric/MELSEC iQ-R Seriescpe-rescue21 versions
    versions 35 and prior+ 20 more
    • (no CPE)range: versions 35 and prior
    • (no CPE)range: versions 35 and prior
    • (no CPE)range: versions 35 and prior
    • (no CPE)range: versions from 12 to 68
    • (no CPE)range: versions from 12 to 68
    • (no CPE)range: versions from 12 to 68
    • (no CPE)range: versions from 12 to 68
    • (no CPE)range: versions from 3 to 37
    • (no CPE)range: versions from 26 to 31
    • (no CPE)range: versions from 12 to 68
    • (no CPE)range: versions from 12 to 68
    • (no CPE)range: versions from 3 to 37
    • (no CPE)range: versions from 26 to 31
    • (no CPE)range: versions from 12 to 68
    • (no CPE)range: versions from 12 to 68
    • (no CPE)range: versions from 3 to 37
    • (no CPE)range: versions from 26 to 31
    • (no CPE)range: versions from 12 to 68
    • (no CPE)range: versions from 12 to 68
    • (no CPE)range: versions from 3 to 37
    • (no CPE)range: versions from 26 to 31

Patches

Vulnerability mechanics

References

4

News mentions

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