Vulnerability · Published Mar 30, 2026 · Assigned by VulnCheck

CVE-2026-28527BlueKitchen BTstack < 1.8.1 AVRCP Controller GET_PLAYER_APPLICATION_SETTING_*_TEXT Handlers OOB Read

Low 3.5

In plain English

A low-severity out-of-bounds read in BTstack from BlueKitchen GmbH. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.2%top 94.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller GET_PLAYER_APPLICATION_SETTING_ATTRIBUTE_TEXT and GET_PLAYER_APPLICATION_SETTING_VALUE_TEXT handlers that allows nearby attackers to read beyond packet boundaries. Attackers can establish a paired Bluetooth Classic connection and send specially crafted VENDOR_DEPENDENT responses to trigger out-of-bounds reads, causing information disclosure and potential crashes on affected devices.

Affected products (as reported)

Vendor	Product	Versions
BlueKitchen GmbH	BTstack	0 – before 1.8.1

Weakness: CWE-125 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References

https://github.com/bluekitchen/btstack/releases/tag/v1.8.1 release-notes, patch
https://www.vulncheck.com/advisories/bluekitchen-btstack-avrcp-controller-get-player-application-setting-text-handlers-oob-read third-party-advisory