CVE-2025-47904

Unsigned upgrade package

State: Published
Severity: 5.7 Medium
Published: Feb 24, 2026
Updated: Mar 31, 2026
Reserved: May 13, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	5.7 Medium	CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:L	Microchip

Weaknesses

CWE-494 Download of Code Without Integrity Check

Affected Products

Product	Versions
Time Provider 4100Microchip	before 2.5Affected

References

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

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