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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Microchip/Time Provider 4100llm-fuzzy2 versions
<2.5+ 1 more
- (no CPE)range: <2.5
- (no CPE)range: 0

Patches

Vulnerability mechanics

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

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