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