{"schemaVersion":3,"id":"CVE-2019-15948","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Texas Instruments CC256x and WL18xx dual-mode Bluetooth controller devices, when LE scan mode is used, allow remote attackers to trigger a buffer overflow via a malformed Bluetooth Low Energy advertising packet, to cause a denial of service or potentially execute arbitrary code. This affects CC256xC-BT-SP 1.2, CC256xB-BT-SP 1.8, and WL18xx-BT-SP 4.4.","dates":{"published":"2019-11-13T15:06:29.000Z","modified":"2024-08-05T01:03:32.307Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5.8,"severity":"medium","vector":"AV:A/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0253,"percentile":0.84677,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.0253},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.03262,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.03262,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.03262,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.03262,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.03262,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0253,"percentile":0.84677}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0253,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0253,"percentile":0.84677}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-120","name":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","description":"The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/120.html"}],"affected":[{"vendor":"ti","product":"cc256xb-bt-sp_firmware","name":"cc256xb-bt-sp firmware","label":"cc256xb-bt-sp_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 1.8","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.8","eol":null,"hubHref":"/vendor/ti/cc256xb-bt-sp"},{"vendor":"ti","product":"cc256xc-bt-sp_firmware","name":"cc256xc-bt-sp firmware","label":"cc256xc-bt-sp_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.2","eol":null,"hubHref":"/vendor/ti/cc256xc-bt-sp"},{"vendor":"ti","product":"wl18xx-bt-sp_firmware","name":"wl18xx-bt-sp firmware","label":"wl18xx-bt-sp_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≤ 4.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 4.4","eol":null,"hubHref":"/vendor/ti/wl18xx-bt-sp"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.linkedin.com/in/veronica-kovah-2587185","label":"www.linkedin.com/in/veronica-kovah-2587185","hostname":"www.linkedin.com","tags":["X Refsource MISC","Not Applicable"]},{"url":"https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161","label":"e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161","hostname":"e2e.ti.com","tags":["X Refsource MISC","Third Party Advisory"]},{"url":"https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs","label":"github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs","hostname":"github.com","tags":["X Refsource MISC"]},{"url":"https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv_rce.py","label":"github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv_rce.py","hostname":"github.com","tags":["X Refsource MISC"]},{"url":"https://www.youtube.com/watch?v=bk5lOxieqbA","label":"www.youtube.com/watch?v=bk5lOxieqbA","hostname":"www.youtube.com","tags":["X Refsource MISC"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2019-11-13T15:06:29.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T01:03:32.307Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":36,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T17:52:08.111Z","stale":false,"partial":false}}