CVE-2025-10259

Published: Nov 6, 2025

Modified: Nov 14, 2025

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

Improper Validation of Specified Quantity in Input vulnerability in TCP Communication Function on Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote attacker to disconnect the connection by sending specially crafted TCP packets to cause a denial-of-service (DoS) condition on the products. There is no impact on connections other than the attacked one.

Vendor	Product	Versions
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/ESS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MR/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-32MR/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/ESS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MR/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-64MR/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/ESS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MR/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5U-80MR/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/D	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-64MT/D	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-64MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-96MT/D	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-96MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/DS-TS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MT/DSS-TS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UC-32MR/DS-TS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MT/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MT/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MT/ESS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MR/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MR/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MT/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MT/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MT/ESS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MR/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MR/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-60MT/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-60MT/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-60MT/ESS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-60MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-60MR/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-60MR/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MT/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-24MR/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MT/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-40MR/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-60MT/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5UJ-60MR/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-30MT/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-30MT/ESS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-30MR/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-40MT/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-40MT/ESS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-40MR/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-60MT/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-60MT/ESS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-60MR/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-80MT/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-80MT/ESS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-80MR/ES	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-30MT/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-30MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-30MR/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-40MT/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-40MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-40MR/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-60MT/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-60MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-60MR/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-80MT/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-80MT/DSS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-80MR/DS	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-30MR/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-30MT/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-40MR/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-40MT/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-60MR/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-60MT/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-80MR/ES-A	affected `All versions`
Mitsubishi Electric Corporation	MELSEC iQ-F Series FX5S-80MT/ES-A	affected `All versions`

Weaknesses (CWE)

CWE-1284

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-014_en.pdf

vendor-advisory

https://jvn.jp/vu/JVNVU92088475/

government-resource

https://www.cisa.gov/news-events/ics-advisories/icsa-25-317-01

government-resource

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CVE-2025-10259

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References