CVE-2025-15080

HIGH

Mitsubishi Electric MELSEC iQ-R Series - Info Disclosure

Title source: llm

Description

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.

References (3)

[Third Party Advisory] https://jvn.jp/vu/JVNVU95093080/

[Various Sources] https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-020_en.pdf

[Third Party Advisory, US Government Resource] https://www.cisa.gov/news-events/ics-advisories/icsa-26-036-02

Scores

CVSS v4 8.8

EPSS 0.0004

EPSS Percentile 10.6%

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-1284

Status published

Products (4)

Mitsubishi Electric Corporation/MELSEC iQ-R Series R08PCPU Firmware versions "48" and prior

Mitsubishi Electric Corporation/MELSEC iQ-R Series R120PCPU Firmware versions "48" and prior

Mitsubishi Electric Corporation/MELSEC iQ-R Series R16PCPU Firmware versions "48" and prior

Mitsubishi Electric Corporation/MELSEC iQ-R Series R32PCPU Firmware versions "48" and prior

Published Feb 05, 2026

Tracked Since Feb 18, 2026