PT-2022-25310 · Mitsubishi · Melsec Iq-R Series Rj71En71+1

Published 2022-11-30 · Updated 2022-12-06 · CVE-2022-40265

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware versions prior to 65 Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware versions prior to 65

Description The issue is related to improper input validation, allowing a remote unauthenticated attacker to cause a Denial of Service condition by sending specially crafted packets. A system reset is required for recovery.

Recommendations For Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware versions prior to 65, update to a version later than 65 to resolve the issue. For Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware versions prior to 65, update to a version later than 65 to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2022-40265

Affected Products

Melsec Iq-R Series R04/08/16/32/120(En)Cpu

Melsec Iq-R Series Rj71En71

References · 5

• https://mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-40265 · Security Note
• https://osv.dev/vulnerability/CVE-2022-40265 · Vendor Advisory
• https://jvn.jp/vu/JVNVU94702422 · Note
• https://t.me/cibsecurity/53702 · Telegram Post