Mitsubishi Electric Europe smartRTU Missing Authentication for Critical Function
Published Dec 24, 2025
8.7
HIGHCVSS 4.0
EPSS 0.51%
Description
A remote unauthenticated attacker may be able to bypass authentication by utilizing a specific API route to execute arbitrary OS commands.
Affected products
-
- Version 0StatusaffectedConstraints<=3.37
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mitsubishi Electric Europe | smartRTU | unaffected |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
Mitsubishi Electric Europe B.V. recommends that users take note of the following mitigation measures to minimize the risk of exploiting this vulnerability:
* Use a firewall or virtual private network (VPN), etc. to prevent unauthorized access when Internet access is required.
* Use within a LAN and block access from untrusted networks and hosts through firewalls.
* Use web application firewall (WAF) to prevent to filter, monitor and block any malicious HTTP/HTTPS traffic.
* Allow web client access from trusted networks only.
For more information, please see Mitsubishi Electric Europe MEU_PSIRT_2025-3128 https://emea.mitsubishielectric.com/fa/products/quality/quality-news-information under the "Vulnerability Information" section.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Dec 24, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.51% (0.00514) | 41.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.51% (0.00511) | 39.28th | v5 (v2026.06.15) |
| Dec 25, 2025 | 0.06% (0.00057) | 18.17th | v4 (v2025.03.14) |
References (3)
Change history (0)
No recorded changes yet.