Vulnerability details

CVE-2025-15080

Mitsubishi Electric MELSEC iQ-R Series R08PCPUMitsubishi Electric MELSEC iQ-R Series R120PCPUMitsubishi Electric MELSEC iQ-R Series R16PCPUMitsubishi Electric MELSEC iQ-R Series R32PCPU

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

CVSS 4.0
8.8High

Official 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.

CVSS scores

ScoreVersionSourceVector
8.8High 4.0 CVEProject cvelistV5 (CNA) (Mitsubishi) 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

Affected products

VendorProductVersionsSource
Mitsubishi Electric Corporation MELSEC iQ-R Series R08PCPU Firmware versions "48" and prior CVEProject cvelistV5 (CNA)
Mitsubishi Electric Corporation MELSEC iQ-R Series R120PCPU Firmware versions "48" and prior CVEProject cvelistV5 (CNA)
Mitsubishi Electric Corporation MELSEC iQ-R Series R16PCPU Firmware versions "48" and prior CVEProject cvelistV5 (CNA)
Mitsubishi Electric Corporation MELSEC iQ-R Series R32PCPU Firmware versions "48" and prior CVEProject cvelistV5 (CNA)

References and advisories

3
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Details

Published
2026-02-05
Last updated
2026-02-06
State
Published
Assigner (CNA)
Mitsubishi

Exploit prediction (EPSS)

0.59%
Probability of exploitation in 30 days
48.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-1284
    Improper Validation of Specified Quantity in Input