CVE-2025-9497

Hardcoded Upgrade Decryption Passwords

State: Published
Severity: 5.5 Medium
Published: Mar 28, 2026
Updated: Apr 1, 2026
Reserved: Aug 26, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	5.5 Medium	CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/E:P	Microchip
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-798 Use of Hard-coded Credentials

Affected Products

Product	Versions
Time Provider 4100Microchip	before 2.5.0Affected

References

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

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