CVE-2022-40265 HIGH

CVE-2022-40265: Denial of Service (DoS) Vulnerability in MELSEC iQ-R Series Ethernet Interface Module

Vendor Mitsubishi Electric Corporation
Product MELSEC iQ-R Series RJ71EN71
Weakness CWE-20 · Input validation
Published November 30, 2022
Last update April 24, 2025
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper Input Validation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware version "65" and prior and Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware version "65" and prior allows a remote unauthenticated attacker to cause a Denial of Service condition by sending specially crafted packets. A system reset is required for recovery.

Key dates

02Disclosure timeline

November 30, 2022 CVE published
April 24, 2025 Record updated