CVE-2025-9497CWE-798hardcoded-credentials

CVE-2025-9497

Critical · published March 28, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
23.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00317 · 23.4th percentile
Weakness
CWE-798 · Use of Hard-coded Credentials
Published
2026-03-28T15:16Z
Affected products (1)
ProductVersionsFixed in
microchip/timeprovider_4100_firmware< 2.5.02.5.0
References (2)
https://www.gruppotim.it/en/footer/TIM-red-team.html · dc3f6da9-85b5-4a73-84a2-2ec90b40fca5https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-hardcoded-upgrade-decryption-passwords · dc3f6da9-85b5-4a73-84a2-2ec90b40fca5
EPSS history
Timeline
  • 28 MAR 10:58Z
    Hardcoded Upgrade Decryption Passwords
    cvelistv5