High severity · published Nov 30, 2022
CVE-2022-40265
Improper Input Validation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware version "65" and prior and Mitsubishi Electric Corporation MELSEC…
7.5
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
R04encpu Firmware · Mitsubishielectric
through 65 · source: NVD
RF
R08encpu Firmware · Mitsubishielectric
through 65 · source: NVD
RF
R120encpu Firmware · Mitsubishielectric
through 65 · source: NVD
RF
R16encpu Firmware · Mitsubishielectric
through 65 · source: NVD
RF
R32encpu Firmware · Mitsubishielectric
through 65 · source: NVD
RF
Rj71en71 Firmware · Mitsubishielectric
through 65 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-40265
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-40265
Third Party Advisory
https://jvn.jp/vu/JVNVU94702422
Vendor Advisory
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdf
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