CVE-2022-40265

moderate-risk
Published 2022-11-30

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.

Do I need to act?

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0.28% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.6/10 High
NETWORK / LOW complexity

Affected Products (6)

Rj71En71 Firmware
R04Encpu Firmware
R08Encpu Firmware
R16Encpu Firmware
R32Encpu Firmware
R120Encpu Firmware

Affected Vendors

Mitsubishielectric

References (4)

Third Party Advisory https://jvn.jp/vu/JVNVU94702422
Vendor Advisory https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdf
Third Party Advisory https://jvn.jp/vu/JVNVU94702422
Vendor Advisory https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdf
43
/ 100
moderate-risk
Severity 29/34 · Critical
Exploitability 1/34 · Minimal
Exposure 13/34 · Low