CVE-2025-8531

6.8 MEDIUM
Published: September 19, 2025 Modified: April 15, 2026
View on NVD

Description

Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series Q03UDVCPU, Q04UDVCPU, Q06UDVCPU, Q13UDVCPU, Q26UDVCPU, Q04UDPVCPU, Q06UDPVCPU, Q13UDPVCPU, and Q26UDPVCPU with the first 5 digits of serial No. "24082" to "27081" allows a remote attacker to cause an integer underflow by sending specially crafted packets to the affected product to stop Ethernet communication and the execution of control programs on the product, when the user authentication function is enabled. The user authentication function is enabled by default only when settings are configured by GX Works2, which complies with the Cybersecurity Law of the People's Republic of China, and is normally disabled.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://jvn.jp/vu/JVNVU97846038/
Source: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-02
Source: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-013_en.pdf
Source: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.8 / 10.0
EPSS (Exploit Probability)
0.2%
48th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)