CVE-2019-15948

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-11-13 · updated 2026-06-17
Weakness: CWE-120

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.

Affected products

Ti Cc256Xb-Bt-Sp Firmware: through 1.8
Ti Cc256Xc-Bt-Sp Firmware: through 1.2
Ti Wl18Xx-Bt-Sp Firmware: through 4.4

References

https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161
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-2587185
https://www.youtube.com/watch?v=bk5lOxieqbA
https://e2e.ti.com/support/wireless-connectivity/bluetooth/f/538/t/856161
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-2587185
https://www.youtube.com/watch?v=bk5lOxieqbA

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