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TI-2021-13291 Aliases CVE-2021-34149GHSA-3fq3-m842-mpf8

The Bluetooth Classic implementation on the Texas Instruments CC256XCQFN-EM does not…

Priority LOW 29Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00508 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:ti:cc256xcqfn-em_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableTexas Instruments
cpe:2.3:h:ti:cc256xcqfn-em:-:*:*:*:*:*:*:*not specified by NVDRunning onTexas Instruments
  • cpe:2.3:o:ti:cc256xcqfn-em_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Texas Instruments
  • cpe:2.3:h:ti:cc256xcqfn-em:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Texas Instruments

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34149
  2. 2026-10-03 Alias added: GHSA-3fq3-m842-mpf8

References

Advisory 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences