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5.7
Microchip Time Provider 4100 Allows Malicious Software Updates
CVE-2025-47904
Summary
A weakness in the Time Provider 4100 allows an attacker to download and install malicious software updates, which can compromise the security and integrity of the system. This is a serious issue because it allows an attacker to gain control of the device. Affected users should update to version 2.5 or later to fix this issue.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| microchip | timeprovider_4100_firmware | <= 2.5 | – |
Original title
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.
Original 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.
nvd CVSS3.1
4.1
nvd CVSS4.0
5.7
Vulnerability type
CWE-494
Published: 24 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026