high
8.6
CWE
20
Advisory Published
Updated

CVE-2022-40265: Input Validation

First published: Wed Nov 30 2022(Updated: )

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.

Credit: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp

Affected SoftwareAffected VersionHow to fix
Mitsubishielectric Rj71en71 Firmware<=65
Mitsubishielectric Rj71en71
Mitsubishielectric R04encpu Firmware<=65
Mitsubishielectric R04encpu
Mitsubishielectric R08encpu Firmware<=65
Mitsubishielectric R08encpu
Mitsubishielectric R16encpu Firmware<=65
Mitsubishielectric R16encpu
Mitsubishielectric R32encpu Firmware<=65
Mitsubishielectric R32encpu
Mitsubishielectric R120encpu Firmware<=65
Mitsubishielectric R120encpu

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID is CVE-2022-40265.

  • What is the severity of CVE-2022-40265?

    CVE-2022-40265 has a severity score of 7.5 (High).

  • Which products are affected by CVE-2022-40265?

    The Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware version "65" and prior, and the Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware version "65" and prior are affected by CVE-2022-40265.

  • How do I fix CVE-2022-40265?

    Apply the necessary security patches or firmware updates provided by Mitsubishi Electric Corporation.

  • Where can I find more information about CVE-2022-40265?

    You can find more information about CVE-2022-40265 at the following references: [JVN](https://jvn.jp/vu/JVNVU94702422) and [Mitsubishi Electric Corporation PSIRT](https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdf).

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