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01 Record

CVE-2025-10259

Denial-of-Service(DoS) Vulnerability in TCP Communication Function on MELSEC iQ-F Series CPU module

MediumPUBLISHEDCNA: Mitsubishi
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

02 Description

Denial-of-Service(DoS) Vulnerability in TCP Communication Function on MELSEC iQ-F Series CPU module

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.45% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 38.9% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD analysis status
Deferred. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-11-06 07:12Z11 MO AGO
Last updated
2025-11-14 02:39Z11 MO AGO
Reserved
2025-09-11
Assigning CNA
Mitsubishi
Record state
PUBLISHED
Severity
Medium (CVSS 5.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses
  • CWE-1284Improper Validation of Specified Quantity in InputBase
Data version
5.2
Document digest
09f6eda01bb40589588301a1d0bc58e4a4530c77abe2041b6bd6b8d78fb3215d

05 Affected products

VendorProductVersionsPlatforms
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MT/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MT/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MT/ESSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MT/DSSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MR/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MR/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MT/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MT/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MT/ESSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MT/DSSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MR/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MR/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MT/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MT/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MT/ESSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MT/DSSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MR/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MR/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-32MT/DAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-32MT/DSSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-64MT/DAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-64MT/DSSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-96MT/DAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-96MT/DSSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-32MT/DS-TSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-32MT/DSS-TSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-32MR/DS-TSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MT/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MT/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MT/ESSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MT/DSSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MR/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MR/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MT/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MT/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MT/ESSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MT/DSSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MR/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MR/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MT/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MT/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MT/ESSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MT/DSSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MR/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MR/DSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MT/ES-AAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MR/ES-AAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MT/ES-AAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MR/ES-AAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MT/ES-AAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MR/ES-AAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-30MT/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-30MT/ESSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-30MR/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-40MT/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-40MT/ESSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-40MR/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-60MT/ESAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-60MT/ESSAll versions—
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-60MR/ESAll versions—

23 further entries not shown. The complete list is in the raw JSON document.

06 References