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CVE-2025-5241

Denial-of-Service Vulnerability in MELSEC iQ-F Series

Published: Jul 11, 2025Updated: Jul 15, 2025 Sources: CVE List NVD BDU csafCWE-645
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.4%
Top 71.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series allows a remote unauthenticated attacker to lockout legitimate users for a certain period by repeatedly attempting to login with incorrect passwords. The legitimate users will be unable to login until a certain period has passed after the lockout or until the product is reset.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-645

Affected Products

MELSEC iQ-F Series FX5U-32MT/ESMitsubishi Electric CorporationICS / OT / IoT
MELSEC iQ-F Series FX5U-32MT/DSMitsubishi Electric CorporationICS / OT / IoT
MELSEC iQ-F Series FX5U-32MT/ESSMitsubishi Electric CorporationICS / OT / IoT
MELSEC iQ-F Series FX5U-32MT/DSSMitsubishi Electric CorporationICS / OT / IoT
MELSEC iQ-F Series FX5U-32MR/ESMitsubishi Electric CorporationICS / OT / IoT
mitsubishi electric corporationcommercialJPICS / OT / IoTaka mitsubishi electric
and 141 more affected products View all →

Exploitability

Official Patch Available

References

https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-005_en.pdf
mitsubishielectric.com
https://www.cisa.gov/news-events/ics-advisories/icsa-25-184-04
cisa.gov
https://www.cisa.gov/news-events/ics-advisories/icsa-25-184-04
cisa.gov
and 12 more references View all →

Timeline

Published
Jul 11, 2025
Last Updated
Jul 15, 2025

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