Information disclosure in Sixnet Bt-5 Series Cellular Router

CVE-2016-4521

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.

Vulnerability class: Information Disclosure

EPSS: 0.025 (82.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2016-4521?: CVE-2016-4521 is a critical-severity vulnerability in Sixnet Bt-5 Series Cellular Router, classified under Information Disclosure. CVSS score: 9.8/10. Published 2016-05-31.
How severe is CVE-2016-4521?: Critical severity. CVSS v3 base score is 9.8 out of 10.