Is CVE-2025-4040 in the CISA KEV catalog?

No. CVE-2025-4040 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-4040?

CVE-2025-4040 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2025-4040?

CVE-2025-4040 has an EPSS score of 0.28% (20th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-4040

HIGH

7.1

CVSS v3

NVD

Description

Authorization Bypass Through User-Controlled Key vulnerability in Turpak Automatic Station Monitoring System allows Privilege Escalation. This issue affects Automatic Station Monitoring System: before 5.0.6.51.

CWE-639

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.28%probability of exploitation in 30 days

20thpercentile

Low risk: more likely to be exploited than 20% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-05.