CVE-2025-67114

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

19/03/2026

Last modified:

24/03/2026

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&#39;s MAC address, enabling authentication bypass and full device access.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

References to Advisories, Solutions, and Tools

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