CVE-2025-9497

5.5 mediumEPSS 0.3%

Medium (5.5) in microchip timeprovider 4100 firmware. EPSS 0.3% chance of exploitation in the next 30 days.

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

CVSS 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

CVSS 3.1

9.8 critical

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWE: CWE-798
Published: 2026-03-28
Modified: 2026-08-12
Record from: the NVD, synced 2026-10-19

Affected

microchip:timeprovider_4100_firmware

References

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

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