What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2022-25163.

What software is affected by this vulnerability?

The Mitsubishi Electric MELSEC-Q Series QJ71E71-100 firmware with a version up to exclusive 24062 and Mitsubishi Electric MELSEC L Series LJ71E71-100 firmware with a version up to exclusive 24062 are affected by this vulnerability.

What is the severity of CVE-2022-25163?

The severity of CVE-2022-25163 is critical with a CVSS score of 9.8.

How does this vulnerability manifest?

This vulnerability is a result of improper input validation in the first 5 digits of the serial number.

Where can I find more information about this vulnerability?

More information about this vulnerability can be found at the following references: [Reference 1](https://jvn.jp/vu/JVNVU92561747/index.html) and [Reference 2](https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-006_en.pdf).

Vulnerability/
CVE-2022-25163

critical

CWE

2/6/2022

17/6/2022

CVE-2022-25163: Input Validation

First published: Thu Jun 02 2022(Updated: )

Improper Input Validation vulnerability in Mitsubishi Electric MELSEC-Q Series QJ71E71-100 first 5 digits of serial number "24061" or prior, Mitsubishi Electric MELSEC-L series LJ71E71-100 first 5 digits of serial number "24061" or prior and Mitsubishi Electric MELSEC iQ-R Series RD81MES96N firmware version "08" or prior allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on the target products by sending specially crafted packets.

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

Affected Software	Affected Version	How to fix
Mitsubishi Melsec Iq-r Rd81mes96n Firmware	<09
Mitsubishi Melsec Iq-r Rd81mes96n
Mitsubishi Melsec Qj71e71-100 Firmware	<24062
Mistubishi Melsec Qj71e71-100
Mitsubishi Melsec Lj71e71-100 Firmware	<24062
Mitsubishi Melsec Lj71e71-100

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Reference Links

Frequently Asked Questions

What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2022-25163.
What software is affected by this vulnerability?
The Mitsubishi Electric MELSEC-Q Series QJ71E71-100 firmware with a version up to exclusive 24062 and Mitsubishi Electric MELSEC L Series LJ71E71-100 firmware with a version up to exclusive 24062 are affected by this vulnerability.
What is the severity of CVE-2022-25163?
The severity of CVE-2022-25163 is critical with a CVSS score of 9.8.
How does this vulnerability manifest?
This vulnerability is a result of improper input validation in the first 5 digits of the serial number.
Where can I find more information about this vulnerability?
More information about this vulnerability can be found at the following references: [Reference 1](https://jvn.jp/vu/JVNVU92561747/index.html) and [Reference 2](https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-006_en.pdf).

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