Unrated severityNVD Advisory· Published Feb 24, 2026· Updated Mar 31, 2026

Unsigned upgrade package

CVE-2025-47904

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.

Affected products

Microchip/Time Provider 4100llm-fuzzy
Range: <2.5
Microchip/Time Provider 4100v5
Range: 0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-unsigned-upgrade-vulnerabilitymitrevendor-advisory
www.gruppotim.it/en/footer/TIM-red-team.htmlmitretechnical-description

News mentions

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