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Vulnerability record · CVE-2025-15080 · published 5 February 2026

CVE-2025-15080: Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric MELSEC iQ-R Series R08…

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.

8.8 CVSS 4.0 High EPSS 0.57% · top 54.9% CWE-1284 · CWE-1284 Deferred
8.8CVSS 4.0 base score
0.57%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://jvn.jp/vu/JVNVU95093080/
https://www.cisa.gov/news-events/ics-advisories/icsa-26-036-02
https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-020_en.pdf

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Source: NIST National Vulnerability Database (record CVE-2025-15080), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.