CVE-2019-15948
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.53% probability · 85th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- ti/cc256xc-bt-sp firmware · ti/cc256xb-bt-sp firmware · ti/wl18xx-bt-sp firmware
- Source
- cve@mitre.org
EPSS 2.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161Third Party Advisory
- https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv_rce.py
- https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs
- https://www.linkedin.com/in/veronica-kovah-2587185Not Applicable
- https://www.youtube.com/watch?v=bk5lOxieqbA
- https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161Third Party Advisory
- https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/ti_wl18xx_adv_rce.py
- https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs
- https://www.linkedin.com/in/veronica-kovah-2587185Not Applicable
- https://www.youtube.com/watch?v=bk5lOxieqbA
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.