CVE-2025-9497 MEDIUM

CVE-2025-9497: Hardcoded Upgrade Decryption Passwords

Vendor Microchip

Product Time Provider 4100

Weakness CWE-798 · Hardcoded credentials

Published March 28, 2026

Last update April 1, 2026

View on NVD All CVEs

CVSS base score

5.5/10

Attack vector Local

Attack complexity High

Privileges required High

User interaction None

Confidentiality —

Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 28, 2026 CVE published

April 1, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-9497 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/798.html

Related vulnerabilities

CVE-2025-9497: Hardcoded Upgrade Decryption Passwords

01Description

02Disclosure timeline

03References

04Related CVE