CVE-2025-3755
CRITICALMitsubishi Electric Corporation MELSEC iQ-F Series - DoS
Title source: llmDescription
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.
References (3)
Core 3
Core References
Various Sources vendor-advisory
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-003_en.pdf
Third Party Advisory government-resource
https://jvn.jp/vu/JVNVU94070048/
Third Party Advisory, US Government Resource government-resource
https://www.cisa.gov/news-events/ics-advisories/icsa-25-153-03
Scores
CVSS v3
9.1
EPSS
0.0069
EPSS Percentile
47.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-1285
Status
published
Products (50)
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5S-30MR/DS
All versions
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5S-30MR/ES
All versions
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5S-30MT/DS
All versions
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5S-30MT/DSS
All versions
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5S-30MT/ES
All versions
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5S-30MT/ESS
All versions
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5S-40MR/DS
All versions
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5S-40MR/ES
All versions
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5S-40MT/DS
All versions
Mitsubishi Electric Corporation/MELSEC iQ-F Series FX5S-40MT/DSS
All versions
... and 40 more
Published
May 29, 2025
Tracked Since
Feb 18, 2026