CVE-2016-4521

CRITICAL

Sixnet BT-5xxx/BT-6xxx M2M <3.8.21/3.9.8 - Unauthenticated Sensitive Info Exposure via Hardcoded Credentials

Title source: llm
STIX 2.1

Description

Sixnet BT-5xxx and BT-6xxx M2M devices before 3.8.21 and 3.9.x before 3.9.8 have hardcoded credentials, which allows remote attackers to obtain access via unspecified vectors.

References (1)

Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-16-147-02

Scores

CVSS v3 9.8
EPSS 0.0246
EPSS Percentile 82.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-200
Status published
Products (2)
sixnet/bt-5_series_cellular_router_firmware < 3.8.20
sixnet/bt-6_series_cellular_router_firmware < 3.8.20
Published May 31, 2016
Tracked Since Feb 18, 2026