Medium severity6.5NVD Advisory· Published Sep 7, 2021· Updated Jun 17, 2026
CVE-2021-34149
CVE-2021-34149
Description
The Bluetooth Classic implementation on the Texas Instruments CC256XCQFN-EM does not properly handle the reception of continuous LMP_AU_Rand packets, allowing attackers in radio range to trigger a denial of service (deadlock) of the device by flooding it with LMP_AU_Rand packets after the paging procedure.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:o:ti:cc256xcqfn-em_firmware:-:*:*:*:*:*:*:*
- Texas Instruments/CC256XCQFN-EMdescription
Patches
Vulnerability mechanics
References
3- dl.packetstormsecurity.net/papers/general/braktooth.pdfnvdTechnical DescriptionThird Party Advisory
- www.ti.com/product/CC2564CnvdProductVendor Advisory
- www.ti.com/tool/CC256XC-BT-SPnvdProductVendor Advisory
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