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CVE-2025-40938

8.1
HIGHCVSS v3.1 Base Score
0.05%
LOW RiskEPSS (15th percentile)

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected device stores sensitive information in the firmware. This could allow an attacker to access and misuse this information, potentially impacting the device’s confidentiality, integrity, and availability.

Published: 12/9/2025
Modified: 12/10/2025
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Vulnerability Summary

CVSS v3 Score

8.1HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score (Exploitation Probability)

0.05%LOW Exploitation Risk
15th percentile

This vulnerability has a 0.05% probability of being exploited in the next 30 days, ranking higher than 15% of all scored CVEs.

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