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TI-2021-09386 Aliases CVE-2021-28155GHSA-hw39-2f47-g9hg

The Bluetooth Classic implementation on JBL TUNE500BT devices does not properly handle…

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 JBL TUNE500BT devices does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service and shutdown a device by flooding the target device with LMP Feature Response data.

Why it matters now

EPSS 0.00455 39th 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:jbl:tune500bt_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableJBL
cpe:2.3:h:jbl:tune500bt:-:*:*:*:*:*:*:*not specified by NVDRunning onJBL
  • cpe:2.3:o:jbl:tune500bt_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·JBL
  • cpe:2.3:h:jbl:tune500bt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·JBL

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28155
  2. 2026-10-03 Alias added: GHSA-hw39-2f47-g9hg

References

Advisory 2

Sources

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