Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2026-79391 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

No authentication exists in the MQTT service of Trueview 6.0.23.4. The MQTT broker accepts client connections on TCP port 1883 without requiring authentication, allowing a remote attacker with network access to establish an MQTT session and perform unauthorized publish or subscribe operations.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CNA: CISA-ADPCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://github.com/EmbdCDACHyd/CVE/blob/main/CVE-2026-79391/README.md	[email protected]	ExploitRemedyTechnical Analysis

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-306	Missing Authentication for Critical Function	CISA-ADP

Affected Products

Product	Versions
Trueview T18161 S	6.0.23.4
CPE No CPEs found in CPE dictionary for this product. Remediation Workaround:low effort Disable anonymous MQTT connections to prevent unauthenticated clients from connecting. Workaround:low effort Implement strong client authentication, such as username/password authentication with strong, unique credentials. Workaround:low effort Consider implementing certificate-based authentication (mutual TLS) for stronger device identity verification. Workaround:low effort Implement topic-level authorization to restrict each client to only the topics and operations required for its function. Workaround:low effort Restrict publish and subscribe permissions to prevent clients from accessing sensitive command and data topics unless explicitly authorized.

Product

Versions

Trueview T18161 S

6.0.23.4

CPE

No CPEs found in CPE dictionary for this product.

Remediation

Workaround:low effort
Disable anonymous MQTT connections to prevent unauthenticated clients from connecting.
Workaround:low effort
Implement strong client authentication, such as username/password authentication with strong, unique credentials.
Workaround:low effort
Consider implementing certificate-based authentication (mutual TLS) for stronger device identity verification.
Workaround:low effort
Implement topic-level authorization to restrict each client to only the topics and operations required for its function.
Workaround:low effort
Restrict publish and subscribe permissions to prevent clients from accessing sensitive command and data topics unless explicitly authorized.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 8, 2026	CVE Modified	CISA-ADP
Sep 4, 2026	New CVE Received	[email protected]