CVE-2025-67114

CRITICAL

Small Cell Sercomm SCE4255W <DG3934v3@2308041842 - Auth Bypass

Title source: llm

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 (3)

Core 3

Core References

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

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

https://freedomfi.com/index.html

Scores

CVSS v3 9.8

EPSS 0.0052

EPSS Percentile 39.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-1391

Status published

Published Mar 19, 2026

Tracked Since Mar 19, 2026