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Fencer Intel
high 8.8

CVE-2025-15080 json

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

published 9mo ago modified 4mo ago also EUVD-2025-206873

cvss
8.8
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

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.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-036-02 updated cvss 9.4

Mitsubishi Electric MELSEC iQ-R Series

  • Mitsubishi Electric MELSEC iQ-R Series R08/16/32/120PCPU firmware <=48
    affected: vendor fix, mitigation “For specific update instructions and additional details see the Mitsubishi Electric advisory at https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-020_en.pdf .” mitsubishielectric.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
9mo ago

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 4.0 8.8 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
CNA 4.0 8.8 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:X/V:X/RE:X/U:X

Affected products

  • Mitsubishi Electric Corporation MELSEC iQ-R Series R08PCPU
  • Mitsubishi Electric Corporation MELSEC iQ-R Series R16PCPU
  • Mitsubishi Electric Corporation MELSEC iQ-R Series R32PCPU
  • Mitsubishi Electric Corporation MELSEC iQ-R Series R120PCPU

Classification

Weakness
  • CWE-1284 Improper Validation of Specified Quantity in Input

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.