Is CVE-2022-25161 actively exploited?

No active exploitation of CVE-2022-25161 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-25161 be exploited remotely?

Yes. CVE-2022-25161 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-25161?

CVE-2022-25161 has a CVSS score of 8.6 (HIGH).

HOME VULNERABILITIESCVE-2022-25161

HIGH

CVE-2022-25161

CWE-20Published: May 18, 2022· Updated: Jun 17, 2026

8.6

CVSS v3.1

Official Description

Improper Input Validation vulnerability in Mitsubishi Electric MELSEC iQ-F series FX5U-xMy/z(x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 17X**** or later and versions prior to 1.270, Mitsubishi Electric Mitsubishi Electric MELSEC iQ-F series FX5U-xMy/z(x=32,64,80, y=T,R, z=ES,DS,ESS,DSS) with serial number 179**** and prior and versions prior to 1.073, MELSEC iQ-F series FX5UC-xMy/z(x=32,64,96, y=T,R, z=D,DSS) with serial number 17X**** or later and versions prior to 1.270, Mitsubishi Electric MELSEC iQ-F series FX5UC-xMy/z(x=32,64,96, y=T,R, z=D,DSS) with serial number 179**** and prior and versions prior to 1.073, Mitsubishi Electric MELSEC iQ-F series FX5UC-32MT/DS-TS versions prior to 1.270, Mitsubishi Electric MELSEC iQ-F series FX5UC-32MT/DSS-TS versions prior to 1.270, Mitsubishi Electric MELSEC iQ-F series FX5UC-32MR/DS-TS versions prior to 1.270, Mitsubishi Electric MELSEC iQ-F series FX5UJ-xMy/z(x=24,40,60, y=T,R, z=ES,ESS) versions prior to 1.030, Mitsubishi Electric MELSEC iQ-F series FX5UJ-xMy/ES-A(x=24,40,60, y=T,R) versions prior to 1.031 and Mitsubishi Electric MELSEC iQ-F series FX5S-xMy/z(x=30,40,60,80, y=T,R, z=ES,ESS) version 1.000 allows a remote unauthenticated attacker to cause a DoS condition for the product's program execution or communication by sending specially crafted packets. System reset of the product is required for recovery.

NVD Source

Technical Analysis

CVE-2022-25161 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 availability disruption (denial of service), with a CVSS base score of 8.6.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Affected Vendors & Products

mitsubhishielectric48 product(s)

melsec iq-fx5u-32mt\/es firmwaremelsec iq-fx5u-32mt\/esmelsec iq-fx5u-32mt\/ds firmwaremelsec iq-fx5u-32mt\/dsmelsec iq-fx5u-32mt\/ess firmwaremelsec iq-fx5u-32mt\/essmelsec iq-fx5u-32mt\/dss firmwaremelsec iq-fx5u-32mt\/dssmelsec iq-fx5u-32mr\/es firmwaremelsec iq-fx5u-32mr\/esmelsec iq-fx5u-32mr\/ds firmwaremelsec iq-fx5u-32mr\/ds+36

mitsubishielectric146 product(s)

Source: NVD CPE · 194 total CPE entries