CVE record · CVE-2025-5514

Denial-of-Service(DoS) Vulnerability in Web server function on MELSEC iQ-F Series CPU module

CVSS 5.3 MediumEPSS 0.0059 · 48th percentile

Published by the CVE Program (CNA: Mitsubishi) at 25 Aug 2025, 05:55 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/ES	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/DS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/ESS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/DSS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MR/ES	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MR/DS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/ES	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/DS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/ESS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/DSS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MR/ES	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MR/DS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/ES	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/DS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/ESS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/DSS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MR/ES	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MR/DS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/D	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/DSS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-64MT/D	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-64MT/DSS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-96MT/D	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-96MT/DSS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/DS-TS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/DSS-TS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MR/DS-TS	affected 1.060 and later Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MT/ES	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MT/DS	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MT/ESS	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MT/DSS	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MR/ES	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MR/DS	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MT/ES	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MT/DS	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MT/ESS	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MT/DSS	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MR/ES	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MR/DS	affected All versions Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-60MT/ES	affected All versions Other versions: unaffected

And 35 more products. The full list is on the CVE record.

Identifiers: CVE-2025-5514
CNA: Mitsubishi
Weakness (CWE): CWE-130
Tags: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ES
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DS
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ESS
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DSS
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/ES
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/DS
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/ES
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/DS
CWE-130
Published: 25 Aug 2025
Updated: 26 Aug 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	CNA (Mitsubishi)

CISA KEV Not listed.
EPSS 0.0059, the 48th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 25 Aug 2025. New records show when each source confirmed them.

Sources

References from the CNA

www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-010_en.pdf vendor-advisory
jvn.jp/vu/JVNVU90316328/ government-resource
www.cisa.gov/news-events/ics-advisories/icsa-25-233-01 government-resource

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.