CVE-2025-9497

CRITICAL

Hardcoded Upgrade Decryption Passwords

Title source: cna

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.

References (2)

[Technical Description] https://www.gruppotim.it/en/footer/TIM-red-team.html

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

Scores

CVSS v3 9.8

EPSS 0.0001

EPSS Percentile 2.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-798

Status published

Products (1)

Microchip/Time Provider 4100 < 2.5.0

Published Mar 28, 2026

Tracked Since Mar 29, 2026