CVE-2025-9497

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory published 2026-03-28. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

March 28, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Sep 9, 2026
No patch confirmed yet.
generic

TIM Group | Vulnerability Research & Advisor

https://www.gruppotim.it/en/footer/TIM-red-team.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-13 16:46 UTCEPSS rescore
  2. 2026-09-12 15:00 UTCEPSS rescore
  3. 2026-09-11 14:52 UTCEPSS rescore
  4. 2026-09-11 09:36 UTCEPSS rescore
  5. 2026-09-10 09:34 UTCEPSS rescore
  6. 2026-09-08 22:00 UTCEPSS rescore
  7. 2026-09-07 16:01 UTCEPSS rescore
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-04 05:06 UTCEPSS rescore
  10. 2026-09-02 14:11 UTCEPSS rescore
  11. 2026-09-01 13:53 UTCEPSS rescore
  12. 2026-08-30 19:17 UTCEPSS rescore
  13. 2026-08-30 01:21 UTCEPSS rescore
  14. 2026-08-28 21:40 UTCEPSS rescore
  15. 2026-08-27 14:24 UTCEPSS rescore
  16. 2026-08-25 13:48 UTCEPSS rescore
  17. 2026-08-23 00:19 UTCEPSS rescore
  18. 2026-08-21 23:48 UTCEPSS rescore
  19. 2026-08-20 22:55 UTCEPSS rescore
  20. 2026-08-19 17:03 UTCEPSS rescore
  21. 2026-08-18 13:48 UTCEPSS rescore
  22. 2026-08-16 14:56 UTCEPSS rescore
  23. 2026-08-16 09:54 UTCEG score recompute
  24. 2026-08-16 09:54 UTCGHSA enrichment
  25. 2026-08-16 02:14 UTCEPSS rescore
Show 66 more
  1. 2026-08-15 01:30 UTCEPSS rescore
  2. 2026-08-14 22:59 UTCGHSA enrichment
  3. 2026-08-14 19:10 UTCGHSA enrichment
  4. 2026-08-14 13:52 UTCGHSA enrichment
  5. 2026-08-14 10:03 UTCGHSA enrichment
  6. 2026-08-14 06:14 UTCEG score recompute
  7. 2026-08-14 06:14 UTCGHSA enrichment
  8. 2026-08-13 22:00 UTCEPSS rescore
  9. 2026-08-13 04:10 UTCGHSA enrichment
  10. 2026-08-13 00:22 UTCGHSA enrichment
  11. 2026-08-12 20:33 UTCGHSA enrichment
  12. 2026-08-12 16:36 UTCEG score recompute
  13. 2026-08-12 16:36 UTCGHSA enrichment
  14. 2026-08-12 13:50 UTCEPSS rescore
  15. 2026-08-12 00:44 UTCGHSA enrichment
  16. 2026-08-11 20:43 UTCEG score recompute
  17. 2026-08-11 20:42 UTCGHSA enrichment
  18. 2026-08-11 13:42 UTCEPSS rescore
  19. 2026-08-11 07:33 UTCGHSA enrichment
  20. 2026-08-11 03:43 UTCEG score recompute
  21. 2026-08-11 03:43 UTCGHSA enrichment
  22. 2026-08-10 23:59 UTCEPSS rescore
  23. 2026-08-10 12:00 UTCGHSA enrichment
  24. 2026-08-10 08:09 UTCGHSA enrichment
  25. 2026-08-10 04:21 UTCGHSA enrichment
  26. 2026-08-10 00:31 UTCGHSA enrichment
  27. 2026-08-09 20:42 UTCGHSA enrichment
  28. 2026-08-09 16:53 UTCEG score recompute
  29. 2026-08-09 16:53 UTCGHSA enrichment
  30. 2026-08-09 13:46 UTCEPSS rescore
  31. 2026-08-09 13:04 UTCGHSA enrichment
  32. 2026-08-09 05:47 UTCEG score recompute
  33. 2026-08-09 05:47 UTCGHSA enrichment
  34. 2026-08-08 16:37 UTCEPSS rescore
  35. 2026-08-08 11:25 UTCGHSA enrichment
  36. 2026-08-08 07:29 UTCGHSA enrichment
  37. 2026-08-08 03:40 UTCGHSA enrichment
  38. 2026-08-07 23:51 UTCGHSA enrichment
  39. 2026-08-07 20:02 UTCEG score recompute
  40. 2026-08-07 20:02 UTCGHSA enrichment
  41. 2026-08-07 16:14 UTCGHSA enrichment
  42. 2026-08-06 18:33 UTCEG score recompute
  43. 2026-08-06 18:33 UTCGHSA enrichment
  44. 2026-08-06 13:46 UTCEPSS rescore
  45. 2026-08-06 08:26 UTCGHSA enrichment
  46. 2026-08-06 04:32 UTCGHSA enrichment
  47. 2026-08-06 00:43 UTCEG score recompute
  48. 2026-08-06 00:43 UTCGHSA enrichment
  49. 2026-08-05 19:17 UTCEPSS rescore
  50. 2026-08-04 15:09 UTCEPSS rescore
  51. 2026-08-04 10:38 UTCEPSS rescore
  52. 2026-08-04 03:56 UTCGHSA enrichment
  53. 2026-08-03 23:05 UTCEG score recompute
  54. 2026-08-03 23:05 UTCGHSA enrichment
  55. 2026-08-03 10:35 UTCEPSS rescore
  56. 2026-08-03 02:35 UTCGHSA enrichment
  57. 2026-08-02 22:46 UTCGHSA enrichment
  58. 2026-08-02 18:57 UTCGHSA enrichment
  59. 2026-08-02 15:08 UTCEG score recompute
  60. 2026-08-02 15:08 UTCGHSA enrichment
  61. 2026-08-01 04:15 UTCEPSS rescore
  62. 2026-07-30 16:27 UTCEPSS rescore
  63. 2026-07-30 01:30 UTCEPSS rescore
  64. 2026-07-28 15:36 UTCEPSS rescore
  65. 2026-07-27 14:19 UTCEG score recompute
  66. 2026-07-27 14:18 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2025-9497?
CVE-2025-9497 is a critical vulnerability published on March 28, 2026. 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.
When was CVE-2025-9497 disclosed?
CVE-2025-9497 was first published in the National Vulnerability Database on March 28, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-9497 actively exploited?
CVE-2025-9497 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 75.5% of all scored CVEs.
What is the CVSS score of CVE-2025-9497?
CVE-2025-9497 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-9497?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-9497, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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