CVE-2025-67114

State: Published
Severity: 9.8 Critical
Published: Mar 19, 2026
Updated: Mar 24, 2026
Reserved: Dec 8, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-1391 Use of Weak Credentials

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://neroteam.com/blog/freedomfi-sercomm-sce4255w-englewood
https://fcc.report/FCC-ID/P27-SCE4255W/4790935.pdf
https://freedomfi.com/index.html

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