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Critical severity9.8NVD Advisory· Published May 31, 2016· Updated Jun 17, 2026

CVE-2016-4521

CVE-2016-4521

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Sixnet/Bt 5 Series Cellular Router Firmware
cpe:2.3:o:sixnet:bt-5_series_cellular_router_firmware:*:*:*:*:*:*:*:*
Range: <=3.8.20
Sixnet/Bt 6 Series Cellular Router Firmware
cpe:2.3:o:sixnet:bt-6_series_cellular_router_firmware:*:*:*:*:*:*:*:*
Range: <=3.8.20
Red Lion Controls/Sixnet BT-5xxxllm-create
Range: <3.8.21

Patches

Vulnerability mechanics

References

1

ics-cert.us-cert.gov/advisories/ICSA-16-147-02nvdThird Party AdvisoryUS Government Resource

News mentions

0

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