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.

INFO

Published Date :

2025-09-19T09:30:21.832Z

Last Modified :

2025-09-24T05:39:19.865Z

Source :

Mitsubishi
AFFECTED PRODUCTS

The following products are affected by CVE-2025-8531 vulnerability.

Vendors Products
Mitsubishi
  • Melsec-q Series
Mitsubishi Electric
  • Melsec-q Series
Mitsubishielectric
  • Melsec-q Series
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-8531.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact