---
id: CVE-2025-9497
title: >-
  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.
summary: >-
  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.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-798
vendor: microchip
product: timeprovider_4100_firmware
affected:
  - timeprovider_4100_firmware < 2.5.0
patched:
  - timeprovider_4100_firmware 2.5.0
published: '2026-03-28'
updated: '2026-08-12'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-9497'
references:
  - url: 'https://www.gruppotim.it/en/footer/TIM-red-team.html'
    label: dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
  - url: >-
      https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-hardcoded-upgrade-decryption-passwords
    label: dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
tags:
  - nvd
epss: 0.00317
epssPercentile: 0.24863
ingestedAt: '2026-08-12T19:54:27.175Z'
---

## Overview

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.

## Affected

- `timeprovider_4100_firmware < 2.5.0`

## Remediation

Upgrade past the affected range:

- `timeprovider_4100_firmware 2.5.0`