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Vulnerability record · CVE-2026-79389 · published 4 September 2026

CVE-2026-79389: Improper verification of cryptographic signature vulnerability

Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command processing. An attacker with network access can replay or modify captured MQTT messages, including security-related nonce, timestamp, and signature fields, and the device accepts the modified messages and executes the associated commands.

7.4 CVSS 3.1 High EPSS 0.21% · top 89.4% CWE-347 · Improper verification of cryptographic signature Deferred
7.4CVSS 3.1 base score
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
14 Sep 2026Last modified by NVD

Description

Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command processing. An attacker with network access can replay or modify captured MQTT messages, including security-related nonce, timestamp, and signature fields, and the device accepts the modified messages and executes the associated commands.

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

References

LinkTags
https://github.com/EmbdCDACHyd/CVE/tree/main/CVE-2026-79389

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Source: NIST National Vulnerability Database (record CVE-2026-79389), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.