CVE-2022-25162

What it is

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 temporary DoS condition for the product's communication by sending specially crafted packets.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

2.8% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2022-05-18 17:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 04:33 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 2.8% in the next 30 days (EPSS).
• Severity: 5.3 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2022-05-18 17:15 UTC

Last modified

2026-06-17 04:33 UTC

Exploit probability

2.8% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Mitsubishielectric Melsec iq-fx5u-32mt\/es Firmware < 1.270
• Mitsubishielectric Melsec iq-fx5u-32mt\/ds Firmware < 1.270
• Mitsubishielectric Melsec iq-fx5u-32mt\/ess Firmware < 1.270
• Mitsubishielectric Melsec iq-fx5u-32mt\/dss Firmware < 1.270
• Mitsubishielectric Melsec iq-fx5u-32mr\/es Firmware < 1.270
• Mitsubishielectric Melsec iq-fx5u-32mr\/ds Firmware < 1.270
• Mitsubishielectric Melsec iq-fx5u-32mr\/ess Firmware < 1.270
• Mitsubishielectric Melsec iq-fx5u-32mr\/dss Firmware < 1.270

Attack profile CVSS 3.1 · 5.3

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-25162.md and follow it. Check whether this project is affected by CVE-2022-25162. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

Copy as ticket · More options · Status badge