CVE-2026-28528

low-risk
Published 2026-03-30

BlueKitchen BTstack versions prior to 1.8.1 contain 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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.6/10 Medium
ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Btstack

Affected Vendors

Bluekitchen-Gmbh

References (2)

Release Notes https://github.com/bluekitchen/btstack/releases/tag/v1.8.1
Third Party Advisory https://www.vulncheck.com/advisories/bluekitchen-btstack-avrcp-browsing-target-g...
21
/ 100
low-risk
Severity 16/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal