PatchTheCVECVE-2025-9497: Use of Hard-coded Credentials vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software U
CVE-2025-9497 is a critical-severity flaw (CVSS 9.8) affecting timeprovider 4100 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 74%) |
| CISA exploited list | No |
| Weakness | CWE-798 |
| Published | 2026-03-28 |
| Last modified | 2026-08-12 |
Last updated 2026-08-12 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-9497?
timeprovider 4100 firmware: upgrade to 2.5.0. Exact commands for each OS are on this page.
Is CVE-2025-9497 being exploited?
CVE-2025-9497 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-9497 affect?
CVE-2025-9497 affects timeprovider 4100 firmware. Severity is critical (CVSS 9.8). 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.
How urgent is CVE-2025-9497?
Priority 51/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action