SB2025120229 - Denial of service in ESP-IDF
Published: December 2, 2025 Updated: December 26, 2025
Security Bulletin ID
SB2025120229
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2025-66409)
The vulnerability allows an attacker to perform a denial of service attack.
The vulnerability exists due to a boundary condition in ESP32 Bluetooth AVRCP command handling. An attacker with physical proximity to device can send a specially crafted VENDOR DEPENDENT command with a buffer shorter than required by the AVRCP protocol, trigger an out-of-bounds read and perform a denial of service attack.
Remediation
Install update from vendor's website.