CVE-2025-9497

Critical

Description

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.

SeverityCritical

CVSS9.8

Exploit probability—

ProductMicrochip Timeprovider 4100 Firmware

PublishedMar 28, 2026

First seenMar 28, 2026

Weakness typeCWE-798Hard-coded credentials

How to fix

Update

microchip timeprovider_4100_firmware2.5.0 or later

Vendor advisories

microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-hardcoded-upgrade-decryption-passwords

Affected products

Product	Affected versions	Fixed in
microchip timeprovider_4100_firmware	v < 2.5.0	2.5.0

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