Hard-coded Credentials in Microchip Time Provider 4100 Enables Unauthorized Updates

Publication date: 2026-03-28

Last updated on: 2026-08-12

Assigner: Microchip Technology

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.

CVSS Scores

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Meta Information

Published

2026-03-28

Last Modified

2026-08-12

Generated

2026-08-15

AI Q&A

2026-03-28

EPSS Evaluated

2026-08-14

NVD

CVE-2025-9497

EUVD

EUVD-2025-209112

Affected Vendors & Products

Vendor	Product	Version / Range
microchip	timeprovider_4100_firmware	to 2.5.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-798	The product contains hard-coded credentials, such as a password or cryptographic key.

Attack-Flow Graph

Executive Summary

This vulnerability involves the use of hard-coded credentials in the Microchip Time Provider 4100 device. Specifically, versions before 2.5.0 contain embedded credentials that cannot be changed, which allows an attacker to perform a malicious manual software update on the device.

Impact Analysis

The vulnerability can allow an attacker with high privileges and local access to the device to perform unauthorized manual software updates. This could lead to the installation of malicious software or firmware, potentially compromising the device's integrity, availability, or security.

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