{"id":"CVE-2026-79389","title":"Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command processing","summary":"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 …","severity":"high","cvss":7.4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-347"],"published":"2026-09-04","updated":"2026-09-14","sourceUpdated":"2026-09-14T14:17:10.320","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79389","references":[{"url":"https://github.com/EmbdCDACHyd/CVE/tree/main/CVE-2026-79389","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-14T13:12:03.986560Z"},"epss":0.00144,"epssPercentile":0.04058,"ingestedAt":"2026-09-08T20:10:03.168Z","slug":"CVE-2026-79389","body":"## Overview\n\nTrueview 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":201965,"id":"CVE-2026-79389","ts":1789399993335,"field":"cvss","old":null,"new":"7.4"},{"seq":201964,"id":"CVE-2026-79389","ts":1789399993335,"field":"severity","old":"none","new":"high"},{"seq":200692,"id":"CVE-2026-79389","ts":1789397585441,"field":"cvss","old":"7.4","new":null},{"seq":200691,"id":"CVE-2026-79389","ts":1789397585441,"field":"severity","old":"high","new":"none"},{"seq":200116,"id":"CVE-2026-79389","ts":1789395647080,"field":"cvss","old":null,"new":"7.4"},{"seq":200115,"id":"CVE-2026-79389","ts":1789395647080,"field":"severity","old":"none","new":"high"}]}