CVE-2025-67114

CRITICAL

Small Cell Sercomm SCE4255W <DG3934v3@2308041842 - Auth Bypass

Title source: llm
STIX 2.1

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 v3 9.8
EPSS 0.0046
EPSS Percentile 64.4%
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