CVE-2026-79391 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-306

References

https://github.com/EmbdCDACHyd/CVE/blob/main/CVE-2026-79391/README.md

FAQ

What is CVE-2026-79391?

CVE-2026-79391 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...

How severe is CVE-2026-79391?

CVE-2026-79391 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-79391?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.