CVE-2025-3755criticalCWE-1285

CVE-2025-3755: critical vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F…

Information Disclosure and Denial-of-Service(DoS) Vulnerability in MELSEC iQ-F Series CPU module

Published 29 May 2025 · Updated 27 Aug 2025

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.1epss 0.9%

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-30MR/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-30MR/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-30MT/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-30MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-30MT/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-30MT/ESS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-40MR/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-40MR/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-40MT/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-40MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-40MT/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-40MT/ESS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-60MR/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-60MR/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-60MT/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-60MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-60MT/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-60MT/ESS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-80MR/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-80MR/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-80MT/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-80MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-80MT/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5S-80MT/ESS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-32MR/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-32MR/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-32MT/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-32MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-32MT/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-32MT/ESS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-64MR/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-64MR/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-64MT/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-64MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-64MT/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-64MT/ESS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-80MR/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-80MR/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-80MT/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-80MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-80MT/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5U-80MT/ESS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UC-32MR/DS-TS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UC-32MT/D Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UC-32MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UC-32MT/DSS-TS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UC-32MT/DS-TS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UC-64MT/D Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UC-64MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UC-96MT/D Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UC-96MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-24MR/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-24MR/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-24MR/ES-A Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-24MT/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-24MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-24MT/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-24MT/ES-A Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-24MT/ESS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-40MR/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-40MR/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-40MR/ES-A Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-40MT/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-40MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-40MT/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-40MT/ES-A Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-40MT/ESS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-60MR/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-60MR/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-60MR/ES-A Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-60MT/DS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-60MT/DSS Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-60MT/ES Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-60MT/ES-A Mitsubishi Electric Corporation · MELSEC iQ-F Series FX5UJ-60MT/ESS

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References

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