Critical severity9.1NVD Advisory· Published May 29, 2025· Updated Apr 15, 2026

CVE-2025-3755

Description

Improper Validation of Specified Index, Position, or Offset in Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules allows a remote unauthenticated attacker to read information in the product, to cause a Denial-of-Service (DoS) condition in MELSOFT connection, or to stop the operation of the CPU module (causing a DoS condtion on the CPU module), by sending specially crafted packets. The product is needed to reset for recovery.

AI Insight

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

Affected products

Mitsubishielectric/MELSEC iQ-R Seriesllm-fuzzy

Patches

Vulnerability mechanics

References

jvn.jp/vu/JVNVU94070048/nvd
www.cisa.gov/news-events/ics-advisories/icsa-25-153-03nvd
www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-003_en.pdfnvd

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cvss	0.591
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000