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.
History

Wed, 25 Mar 2026 12:00:00 +0000

Type Values Removed Values Added
Title Deterministic Credential Generation Exposes Administrative Credentials in Sercomm SCE4255W Small Cell

Tue, 24 Mar 2026 02:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1391
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 20 Mar 2026 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Freedomfi
Freedomfi sercomm Sce4255w
Vendors & Products Freedomfi
Freedomfi sercomm Sce4255w

Thu, 19 Mar 2026 17:45:00 +0000

Type Values Removed Values Added
Description 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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-03-19T00:00:00.000Z

Updated: 2026-03-24T01:23:37.027Z

Reserved: 2025-12-08T00:00:00.000Z

Link: CVE-2025-67114

cve-icon Vulnrichment

Updated: 2026-03-24T01:23:32.552Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-19T18:16:15.713

Modified: 2026-03-24T02:16:03.830

Link: CVE-2025-67114

cve-icon Redhat

No data.