CVE-2025-66409 - CVE House
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Status published Low CVE-2025-66409

ESF-IDF has an Out-of-Bounds Read in ESP32 Bluetooth AVRCP Command Handling

Vulnerability Description

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, when AVRCP is enabled on ESP32, receiving a malformed VENDOR DEPENDENT command from a peer device can cause the Bluetooth stack to access memory before validating the command buffer length. This may lead to an out-of-bounds read, potentially exposing unintended memory content or causing unexpected behavior.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

esp-idf
Vulnerable Versions:
>= 5.5-beta1, <= 5.5.1, >= 5.4-beta1, <= 5.4.3, >= 5.3-beta1, <= 5.3.4, >= 5.2-beta1, <= 5.2.6, <= 5.1.6

Timeline

Official Publish: December 2nd, 2025
Last Modified: December 2nd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)