{"id":"CVE-2026-79551","title":"Tenda Technology Co., Ltd NVR_4H CH3 v2.1 V27.5.58.6 was discovered to contain a hardcoded cryptographic key.","summary":"Tenda Technology Co., Ltd NVR_4H CH3 v2.1 V27.5.58.6 was discovered to contain a hardcoded cryptographic key.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-321"],"published":"2026-09-15","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:00:03.713","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79551","references":[{"url":"http://tenda.com","label":"cve@mitre.org"},{"url":"https://github.com/snyi001/CVE-2026-79551-Tenda","label":"cve@mitre.org"},{"url":"https://www.tendacn.com/material/show/805569838370885","label":"cve@mitre.org"}],"tags":["nvd","exploit-available","cve.org"],"epss":0.00331,"epssPercentile":0.26539,"exploits":{"github":1,"githubRepos":["https://github.com/snyi001/CVE-2026-79551-Tenda"],"checkedAt":"2026-09-24T07:53:18.268Z"},"exploitAvailable":true,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-22T15:30:42.754550Z"},"ingestedAt":"2026-09-15T15:39:12.901Z","slug":"CVE-2026-79551","body":"## Overview\n\nTenda Technology Co., Ltd NVR_4H CH3 v2.1 V27.5.58.6 was discovered to contain a hardcoded cryptographic key.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":209150,"id":"CVE-2026-79551","ts":1790093215975,"field":"cvss","old":null,"new":"7.5"},{"seq":209149,"id":"CVE-2026-79551","ts":1790093215975,"field":"severity","old":"none","new":"high"},{"seq":205419,"id":"CVE-2026-79551","ts":1789575717511,"field":"exploit_available","old":"false","new":"true"}]}