{"id":"CVE-2026-79376","title":"An issue in the l2cap_handle_data() function of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware v3.x and earlier allows attackers to cause a Denial of Service (DoS) via sending a crafted L2CAP packet.","summary":"An issue in the l2cap_handle_data() function of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware v3.x and earlier allows attackers to cause a Denial of Service (DoS) via sending a crafted L2CAP packet.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-20","CWE-1284"],"published":"2026-09-08","updated":"2026-09-09","sourceUpdated":"2026-09-09T16:04:24.933","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79376","references":[{"url":"http://bes2300.com","label":"cve@mitre.org"},{"url":"http://bestechnic.com","label":"cve@mitre.org"},{"url":"https://www.bestechnic.com/CVE-2026-79376.pdf","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-08T18:15:09.647970Z"},"ingestedAt":"2026-09-08T15:33:26.985Z","epss":0.00227,"epssPercentile":0.13663,"slug":"CVE-2026-79376","body":"## Overview\n\nAn issue in the l2cap_handle_data() function of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware v3.x and earlier allows attackers to cause a Denial of Service (DoS) via sending a crafted L2CAP packet.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":8221,"id":"CVE-2026-79376","ts":1788919993348,"field":"cvss","old":null,"new":"8.8"},{"seq":8220,"id":"CVE-2026-79376","ts":1788919993348,"field":"severity","old":"none","new":"high"},{"seq":8030,"id":"CVE-2026-79376","ts":1788919280639,"field":"cvss","old":"8.8","new":null},{"seq":8029,"id":"CVE-2026-79376","ts":1788919280639,"field":"severity","old":"high","new":"none"},{"seq":7839,"id":"CVE-2026-79376","ts":1788916353861,"field":"cvss","old":null,"new":"8.8"},{"seq":7838,"id":"CVE-2026-79376","ts":1788916353861,"field":"severity","old":"none","new":"high"},{"seq":7648,"id":"CVE-2026-79376","ts":1788915297342,"field":"cvss","old":"8.8","new":null},{"seq":7647,"id":"CVE-2026-79376","ts":1788915297342,"field":"severity","old":"high","new":"none"},{"seq":7457,"id":"CVE-2026-79376","ts":1788912713423,"field":"cvss","old":null,"new":"8.8"},{"seq":7456,"id":"CVE-2026-79376","ts":1788912713423,"field":"severity","old":"none","new":"high"},{"seq":7266,"id":"CVE-2026-79376","ts":1788911331274,"field":"cvss","old":"8.8","new":null},{"seq":7265,"id":"CVE-2026-79376","ts":1788911331274,"field":"severity","old":"high","new":"none"},{"seq":7070,"id":"CVE-2026-79376","ts":1788909076658,"field":"cvss","old":null,"new":"8.8"},{"seq":7069,"id":"CVE-2026-79376","ts":1788909076658,"field":"severity","old":"none","new":"high"},{"seq":6882,"id":"CVE-2026-79376","ts":1788907391380,"field":"cvss","old":"8.8","new":null},{"seq":6881,"id":"CVE-2026-79376","ts":1788907391380,"field":"severity","old":"high","new":"none"},{"seq":6684,"id":"CVE-2026-79376","ts":1788905442988,"field":"cvss","old":null,"new":"8.8"},{"seq":6683,"id":"CVE-2026-79376","ts":1788905442988,"field":"severity","old":"none","new":"high"},{"seq":6502,"id":"CVE-2026-79376","ts":1788903459592,"field":"cvss","old":"8.8","new":null},{"seq":6501,"id":"CVE-2026-79376","ts":1788903459592,"field":"severity","old":"high","new":"none"},{"seq":6292,"id":"CVE-2026-79376","ts":1788901809935,"field":"cvss","old":null,"new":"8.8"},{"seq":6291,"id":"CVE-2026-79376","ts":1788901809935,"field":"severity","old":"none","new":"high"},{"seq":6122,"id":"CVE-2026-79376","ts":1788899562044,"field":"cvss","old":"8.8","new":null},{"seq":6121,"id":"CVE-2026-79376","ts":1788899562044,"field":"severity","old":"high","new":"none"},{"seq":5925,"id":"CVE-2026-79376","ts":1788898179194,"field":"cvss","old":null,"new":"8.8"},{"seq":5924,"id":"CVE-2026-79376","ts":1788898179194,"field":"severity","old":"none","new":"high"},{"seq":5814,"id":"CVE-2026-79376","ts":1788895711070,"field":"cvss","old":"8.8","new":null},{"seq":5813,"id":"CVE-2026-79376","ts":1788895711070,"field":"severity","old":"high","new":"none"},{"seq":5774,"id":"CVE-2026-79376","ts":1788894573083,"field":"cvss","old":null,"new":"8.8"},{"seq":5773,"id":"CVE-2026-79376","ts":1788894573083,"field":"severity","old":"none","new":"high"}]}