CVE-2016-4521 - Vulnerability Details - OpenCVE

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.

Published: 2016-05-31

Score: 9.8 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

OR	cpe:2.3:h:sixnet:bt-5_series_cellular_router:-:::::::*
	cpe:2.3:h:sixnet:bt-6_series_cellular_router:-:::::::*

OR	cpe:2.3:o:sixnet:bt-5_series_cellular_router_firmware::::::::
	cpe:2.3:o:sixnet:bt-5_series_cellular_router_firmware::::::::
	cpe:2.3:o:sixnet:bt-6_series_cellular_router_firmware::::::::
	cpe:2.3:o:sixnet:bt-6_series_cellular_router_firmware::::::::

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2016-5508	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.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00411.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://ics-cert.us-cert.gov/advisories/ICSA-16-147-02

History

No history.

Subscriptions

Sixnet Bt-5 Series Cellular Router Bt-5 Series Cellular Router Firmware Bt-6 Series Cellular Router Bt-6 Series Cellular Router Firmware

MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2016-05-31T01:00:00.000Z

Updated: 2024-08-06T00:32:25.984Z

Reserved: 2016-05-05T00:00:00.000Z

Link: CVE-2016-4521

Vulnrichment

No data.

NVD

Status : Modified

Published: 2016-05-31T01:59:11.993

Modified: 2026-05-06T22:30:45.220

Link: CVE-2016-4521

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-200

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:h:sixnet:bt-5_series_cellular_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "D867AA83-E404-4D82-A62F-3DAA0124689E", "vulnerable": false}, {"criteria": "cpe:2.3:h:sixnet:bt-6_series_cellular_router:-:*:*:*:*:*:*:*", "matchCriteriaId": "EB3021AC-39B4-40CC-98D2-368BD8572D30", "vulnerable": false}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:sixnet:bt-5_series_cellular_router_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "11C9F06B-DE9D-4D8B-A331-8DAE301D99C9", "versionEndIncluding": "3.8.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:sixnet:bt-5_series_cellular_router_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "995D22B7-180C-44EB-9797-665E26DF3F17", "versionEndIncluding": "3.9.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:sixnet:bt-6_series_cellular_router_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "58D7D07E-BD8C-4A39-9E6E-1B36D10C4E01", "versionEndIncluding": "3.8.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:sixnet:bt-6_series_cellular_router_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "9A2B532B-D76B-43DC-BEBE-A4B51D23B742", "versionEndIncluding": "3.9.7", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Dispositivos Sixnet BT-5xxx y BT-6xxx M2M en versiones anteriores a 3.8.21 y 3.9.x en versiones anteriores a 3.9.8 tienen credenciales embebidas, lo que permite a atacantes remotos obtener acceso a trav\u00e9s de vectores no especificados."}], "id": "CVE-2016-4521", "lastModified": "2026-05-06T22:30:45.220", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-05-31T01:59:11.993", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-147-02"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-147-02"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}