CVE-2025-9497: Microchip Timeprovider 4100 Firmware

Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Use of Hard-coded Credentials vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.This issue affects Time Provider 4100: before 2.5.0.

Affected products

• Microchip Timeprovider 4100 Firmware: before 2.5.0 (fixed in 2.5.0)

Published 2026-03-28. Last modified 2026-08-12.