CVE-2025-15080 HIGH

CVE-2025-15080: Information Disclosure, Information Tampering, and Denial of Service (DoS) Vulnerability in Mitsubishi Electric proprietary protocol communication and SLMP communication for FA products

Vendor Mitsubishi Electric Corporation
Product MELSEC iQ-R Series R08PCPU
Weakness CWE-1284
Published February 5, 2026
Last update February 6, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric MELSEC iQ-R Series R08PCPU, R16PCPU, R32PCPU, and R120PCPU allows an unauthenticated attacker to read device data or part of a control program from the affected product, write device data in the affected product, or cause a denial of service (DoS) condition on the affected product by sending a specially crafted packet containing a specific command to the affected product.

Key dates

02Disclosure timeline

February 5, 2026 CVE published
February 6, 2026 Record updated