CVE-2025-3755

CRITICAL

Mitsubishi Electric Corporation MELSEC iQ-F Series - DoS

Title source: llm
STIX 2.1

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.

References (3)

Scores

CVSS v3 9.1
EPSS 0.0011
EPSS Percentile 28.2%
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