CVE-2022-40265

HIGH

Mitsubishielectric Rj71en71 Firmware < 65 - Improper Input Validation

Title source: rule

Description

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.

References (2)

Core 2

Core References

Third Party Advisory

https://jvn.jp/vu/JVNVU94702422

Vendor Advisory

https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdf

Scores

CVSS v3 8.6

EPSS 0.0028

EPSS Percentile 51.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (6)

mitsubishielectric/r04encpu_firmware < 65

mitsubishielectric/r08encpu_firmware < 65

mitsubishielectric/r120encpu_firmware < 65

mitsubishielectric/r16encpu_firmware < 65

mitsubishielectric/r32encpu_firmware < 65

mitsubishielectric/rj71en71_firmware < 65

Published Nov 30, 2022

Tracked Since Feb 18, 2026