CVE-2025-8531
Expert Analysis
Professional remediation guidance
Get tailored security recommendations from our analyst team for CVE-2025-8531. We'll provide specific mitigation strategies based on your environment and risk profile.
CVSS Score
V3.1Attack Vector Metrics
Impact Metrics
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.
Available Exploits
Related News
Affected Products
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
Affected Versions:
EU Vulnerability Database
Monitored by ENISA for EU cybersecurity
ENISA Analysis
Malicious code in bioql (PyPI)
Affected Products (ENISA)
ENISA Scoring
CVSS Score (3.1)
EPSS Score
ENISA References
Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
Advisory Details
CVSS Scoring
CVSS Score
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
References
Advisory provided by GitHub Security Advisory Database. Published: September 19, 2025, Modified: September 24, 2025