CVE-2026-28528

BlueKitchen BTstack < 1.8.1 AVRCP Browsing Target GET_FOLDER_ITEMS Handler OOB Read / Undefined Behavior

MEDIUM
4.6
CVSS Score
Published: March 30, 2026 at 02:08 PM UTC
Updated: July 14, 2026 at 07:54 PM UTC
2 products affected across 1 vendorBTstackBTstack

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Severity
MEDIUM4.6
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

BlueKitchen BTstack contains an out-of-bounds read vulnerability in the AVRCP Browsing Target GET_FOLDER_ITEMS handler that fails to validate packet boundaries and attribute count data. An attacker with a paired Bluetooth Classic connection can exploit insufficient bounds checking on the attr_id parameter to cause crashes and corrupt attribute bitmap state.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.8.1
Affected range stops below 1.8.1, so it looks safe — our inference, not a vendor statement
v < 1.8.1
Affected range stops below 1.8.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.6MEDIUMVulnCheck
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125CWE-758

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