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CVE-2025-5514

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

Published: Aug 25, 2025Updated: Aug 25, 2025 Sources: CVE List NVD csafCWE-130
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.5%
Top 58.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

Improper Handling of Length Parameter Inconsistency vulnerability in web server function on Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to delay the processing of the web server function and prevent legitimate users from utilizing the web server function, by sending a specially crafted HTTP request.

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-130

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 70 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://jvn.jp/vu/JVNVU90316328/
jvn.jp
https://www.cisa.gov/news-events/ics-advisories/icsa-25-233-01
cisa.gov
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-010_en.pdf
mitsubishielectric.com
and 11 more references View all →

Timeline

Published
Aug 25, 2025
Last Updated
Aug 25, 2025

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