CVE-2025-67114

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-03-19. 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: 1%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 a deterministic credential generation algorithm in /ftl/bin/calc_f2 in Small Cell Sercomm SCE4255W (FreedomFi Englewood) firmware before DG3934v3@2308041842 allows remote attackers to derive valid administrative/root credentials from the device's MAC address, enabling authentication bypass and full device access.

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%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
43%
KEV
Not listed

Published

March 19, 2026

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

FreedomFi Sercomm SCE4255W CBRS Small Cell Security Advisory

https://neroteam.com/blog/freedomfi-sercomm-sce4255w-englewood
generic

Helium - Own the Air

https://freedomfi.com/index.html
generic

SCE4255W Englewood User Manual - FCC ID P27-SCE4255W

https://fcc.report/FCC-ID/P27-SCE4255W/4790935.pdf

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 26× 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. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-17 19:30 UTCEPSS rescore
  3. 2026-09-16 14:07 UTCEPSS rescore
  4. 2026-09-16 05:14 UTCEPSS rescore
  5. 2026-09-15 03:10 UTCEPSS rescore
  6. 2026-09-13 16:46 UTCEPSS rescore
  7. 2026-09-12 15:00 UTCEPSS rescore
  8. 2026-09-11 14:52 UTCEPSS rescore
  9. 2026-09-11 09:36 UTCEPSS rescore
  10. 2026-09-10 09:34 UTCEPSS rescore
  11. 2026-09-08 22:00 UTCEPSS rescore
  12. 2026-09-07 16:00 UTCEPSS rescore
  13. 2026-09-06 13:47 UTCEPSS rescore
  14. 2026-09-04 05:06 UTCEPSS rescore
  15. 2026-09-02 14:11 UTCEPSS rescore
  16. 2026-09-01 13:53 UTCEPSS rescore
  17. 2026-08-30 19:16 UTCEPSS rescore
  18. 2026-08-30 01:21 UTCEPSS rescore
  19. 2026-08-28 21:40 UTCEPSS rescore
  20. 2026-08-27 14:24 UTCEPSS rescore
  21. 2026-08-26 14:45 UTCEPSS rescore
  22. 2026-08-25 13:48 UTCEPSS rescore
  23. 2026-08-24 14:16 UTCEPSS rescore
  24. 2026-08-23 00:18 UTCEPSS rescore
  25. 2026-08-21 23:48 UTCEPSS rescore
Show 74 more
  1. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-19 17:03 UTCEPSS rescore
  3. 2026-08-18 13:47 UTCEPSS rescore
  4. 2026-08-17 13:46 UTCEPSS rescore
  5. 2026-08-16 14:55 UTCEPSS rescore
  6. 2026-08-16 11:10 UTCEG score recompute
  7. 2026-08-16 11:10 UTCGHSA enrichment
  8. 2026-08-16 02:13 UTCEPSS rescore
  9. 2026-08-15 01:30 UTCEPSS rescore
  10. 2026-08-15 01:29 UTCEPSS rescore
  11. 2026-08-15 00:15 UTCGHSA enrichment
  12. 2026-08-14 20:01 UTCGHSA enrichment
  13. 2026-08-14 15:48 UTCGHSA enrichment
  14. 2026-08-14 11:34 UTCGHSA enrichment
  15. 2026-08-14 07:20 UTCEG score recompute
  16. 2026-08-14 07:20 UTCGHSA enrichment
  17. 2026-08-13 21:59 UTCEPSS rescore
  18. 2026-08-13 02:18 UTCGHSA enrichment
  19. 2026-08-12 22:05 UTCEG score recompute
  20. 2026-08-12 22:05 UTCGHSA enrichment
  21. 2026-08-12 13:50 UTCEPSS rescore
  22. 2026-08-12 01:42 UTCGHSA enrichment
  23. 2026-08-11 21:28 UTCEG score recompute
  24. 2026-08-11 21:28 UTCGHSA enrichment
  25. 2026-08-11 13:42 UTCEPSS rescore
  26. 2026-08-11 08:44 UTCGHSA enrichment
  27. 2026-08-11 04:31 UTCEG score recompute
  28. 2026-08-11 04:31 UTCGHSA enrichment
  29. 2026-08-10 23:59 UTCEPSS rescore
  30. 2026-08-10 12:14 UTCGHSA enrichment
  31. 2026-08-10 06:27 UTCGHSA enrichment
  32. 2026-08-10 02:04 UTCGHSA enrichment
  33. 2026-08-09 21:49 UTCGHSA enrichment
  34. 2026-08-09 17:36 UTCEG score recompute
  35. 2026-08-09 17:36 UTCGHSA enrichment
  36. 2026-08-09 13:46 UTCEPSS rescore
  37. 2026-08-09 13:46 UTCEPSS rescore
  38. 2026-08-09 13:22 UTCGHSA enrichment
  39. 2026-08-09 06:54 UTCEG score recompute
  40. 2026-08-09 06:54 UTCGHSA enrichment
  41. 2026-08-08 16:36 UTCEPSS rescore
  42. 2026-08-08 10:19 UTCGHSA enrichment
  43. 2026-08-08 06:06 UTCGHSA enrichment
  44. 2026-08-08 01:52 UTCGHSA enrichment
  45. 2026-08-07 21:37 UTCGHSA enrichment
  46. 2026-08-07 17:24 UTCEG score recompute
  47. 2026-08-07 17:24 UTCGHSA enrichment
  48. 2026-08-07 16:26 UTCEPSS rescore
  49. 2026-08-06 19:26 UTCEG score recompute
  50. 2026-08-06 19:26 UTCGHSA enrichment
  51. 2026-08-06 13:46 UTCEPSS rescore
  52. 2026-08-06 10:28 UTCGHSA enrichment
  53. 2026-08-06 05:47 UTCGHSA enrichment
  54. 2026-08-06 01:34 UTCEG score recompute
  55. 2026-08-06 01:34 UTCGHSA enrichment
  56. 2026-08-05 19:17 UTCEPSS rescore
  57. 2026-08-05 19:17 UTCEPSS rescore
  58. 2026-08-04 15:09 UTCEPSS rescore
  59. 2026-08-04 10:37 UTCEPSS rescore
  60. 2026-08-04 04:56 UTCGHSA enrichment
  61. 2026-08-04 00:42 UTCEG score recompute
  62. 2026-08-04 00:42 UTCGHSA enrichment
  63. 2026-08-03 10:35 UTCEPSS rescore
  64. 2026-08-03 01:10 UTCGHSA enrichment
  65. 2026-08-02 20:48 UTCGHSA enrichment
  66. 2026-08-02 16:35 UTCEG score recompute
  67. 2026-08-02 16:35 UTCGHSA enrichment
  68. 2026-08-02 02:26 UTCEPSS rescore
  69. 2026-08-01 04:15 UTCEPSS rescore
  70. 2026-07-30 16:27 UTCEPSS rescore
  71. 2026-07-30 01:30 UTCEPSS rescore
  72. 2026-07-28 15:35 UTCEPSS rescore
  73. 2026-07-27 14:38 UTCEG score recompute
  74. 2026-07-27 14:38 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2025-67114?
CVE-2025-67114 is a critical vulnerability published on March 19, 2026. Use of a deterministic credential generation algorithm in /ftl/bin/calc_f2 in Small Cell Sercomm SCE4255W (FreedomFi Englewood) firmware before DG3934v3@2308041842 allows remote attackers to derive valid administrative/root credentials from the device's MAC address, enabling authentication bypass…
When was CVE-2025-67114 disclosed?
CVE-2025-67114 was first published in the National Vulnerability Database on March 19, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-67114 actively exploited?
CVE-2025-67114 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.1% of all scored CVEs.
What is the CVSS score of CVE-2025-67114?
CVE-2025-67114 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-67114?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-67114, 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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