HOMEVULNERABILITIESCVE-2022-25163
CRITICAL

CVE-2022-25163

CWE-20Published: June 2, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2022-25163 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

mistubishi1 product(s)
melsec qj71e71-100
mitsubishi5 product(s)
melsec iq-r rd81mes96n firmwaremelsec iq-r rd81mes96nmelsec qj71e71-100 firmwaremelsec lj71e71-100 firmwaremelsec lj71e71-100
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jvn.jp/vu/JVNVU92561747/index.html
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-006_en.pdf
ADVISORYhttps://jvn.jp/vu/JVNVU92561747/index.html
ADVISORYhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-006_en.pdf

All References (4)

→
https://jvn.jp/vu/JVNVU92561747/index.htmlThird Party Advisory
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-006_en.pdfVendor Advisory
→
https://jvn.jp/vu/JVNVU92561747/index.htmlThird Party Advisory
→
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-006_en.pdfVendor Advisory

Quick Facts

CVE IDCVE-2022-25163
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-20
CISA KEVNo
Affected2 vendor(s)
PublishedJun 2, 2022

Related CVEs (CWE-20)

CVE-2026-47668
10.0
CVE-2026-0848
10.0
CVE-2026-16117
10.0
CVE-2026-33587
10.0
CVE-2009-0545
10.0
CVE-2007-6494
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-25163 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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