{"id":"CVE-2019-17520","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-17520","generatedAt":"2026-10-27T22:25:15.623Z","title":"The Bluetooth Low Energy implementation on Texas Instruments SDK through 3.30.00.20 for CC2640R2 devices does not properly restrict the SM Public Key packet on reception, allowing attackers in radio range to cause a denial of service (crash) via crafted…","description":"The Bluetooth Low Energy implementation on Texas Instruments SDK through 3.30.00.20 for CC2640R2 devices does not properly restrict the SM Public Key packet on reception, allowing attackers in radio range to cause a denial of service (crash) via crafted packets.","published":"2020-02-10T21:51:16.000Z","lastModified":"2026-06-17T02:24:03.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-120"],"affected":["ti/cc2640r2 software development kit"],"epss":{"score":0.0181,"percentile":0.78466,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.81%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.ti.com/tool/LAUNCHXL-CC2640R2","tags":["Product","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://asset-group.github.io/disclosures/sweyntooth/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.youtube.com/watch?v=Iw8sIBLWE_w","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.ti.com/tool/LAUNCHXL-CC2640R2","tags":["Product","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://asset-group.github.io/disclosures/sweyntooth/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.youtube.com/watch?v=Iw8sIBLWE_w","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-17520","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}