Is CVE-2025-47904 in the CISA KEV catalog?

No. CVE-2025-47904 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-47904?

CVE-2025-47904 has a CVSS v3 base score of 4.1 (MEDIUM).

What is the EPSS score for CVE-2025-47904?

CVE-2025-47904 has an EPSS score of 0.08% (0th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-47904?

Upgrade timeprovider 4100 firmware to 2.5 or later.

CVE & CISA-KEV Catalog

CVE-2025-47904

MEDIUM

4.1

CVSS v3

NVD

Description

Download of Code Without Integrity Check vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.This issue affects Time Provider 4100: before 2.5.

CWE-494

How to fix

Remediation Available

timeprovider 4100 firmwareNVD

Affected:< 2.5Fixed in:2.5CVE-2025-47904derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.08%probability of exploitation in 30 days

0thpercentile

Low risk: more likely to be exploited than 0% of all known CVEs.

References

Vendor Advisory1

microchip.com

Other references1

gruppotim.it

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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 2026-03-31.