CVE-2026-28527
LowCVSS 3.5Exploitation Probability (EPSS)
Low risk5th percentile - higher than 5% of all known CVEs
Summary
A vulnerability in BTstack prior to version 1.8.1 allows an out-of-bounds read in the AVRCP Controller GET_PLAYER_APPLICATION_SETTING_ATTRIBUTE_TEXT and GET_PLAYER_APPLICATION_SETTING_VALUE_TEXT handlers. An attacker within Bluetooth Classic range can send a crafted VENDOR_DEPENDENT response, leading to information disclosure and potential device crashes.
Risk Assessment
The risk includes leakage of sensitive data from device memory and potential system instability, affecting service availability and data security.
Recommendation
Immediately update BTstack to version 1.8.1 or later, which contains the fix for this vulnerability.
Original NVD description (English source)
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.