SecuriTricks - CVE-2025-3755

Description

Improper Validation of Specified Index, Position, or Offset in Input vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules allows a remote unauthenticated attacker to read information in the product, to cause a Denial-of-Service (DoS) condition in MELSOFT connection, or to stop the operation of the CPU module (causing a DoS condtion on the CPU module), by sending specially crafted packets. The product is needed to reset for recovery.

Product(s) Impacted

Vendor	Product	Versions
Mitsubishi	Melsec Iq F Series Cpu Modules	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-1285

Improper Validation of Specified Index, Position, or Offset in Input

The product receives input that is expected to specify an index, position, or offset into an indexable resource such as a buffer or file, but it does not validate or incorrectly validates that the specified index/position/offset has the required properties.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	mitsubishi	melsec_iq_f_series_cpu_modules	/	/	/	/	/	/	/	/

References

https://jvn.jp/vu/JVNVU94070048/

https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-003_en.pdf

CVSS Score

9.1 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: HIGH

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

View Vector String

Timeline

Published: May 29, 2025, 5:15 a.m.
Last Modified: May 29, 2025, 2:29 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp

CVE-2025-3755