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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

esp-idf

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.

CVE-2025-66409 is an out-of-bounds read vulnerability classified under CWE-125 found in the Espressif Internet of Things Development Framework (ESP-IDF), specifically affecting the Bluetooth stack on ESP32 devices when the Audio/Video Remote Control Profile (AVRCP) is enabled. The issue arises because the Bluetooth stack processes VENDOR DEPENDENT commands from peer devices without adequately validating the length of the command buffer before accessing it. This improper validation allows the stack to read memory outside the intended buffer bounds, potentially exposing sensitive memory contents or causing unexpected behavior such as crashes or data leakage. The vulnerability affects multiple ESP-IDF versions, including 5.1.6 and all versions up to 5.5.1, as well as their respective beta releases. Exploitation requires an attacker to send a malformed VENDOR DEPENDENT command over Bluetooth to a vulnerable ESP32 device with AVRCP enabled. No authentication or user interaction is necessary, making remote exploitation feasible within Bluetooth range. However, the impact is limited to information disclosure or stability issues, with no known privilege escalation or code execution vectors. No public exploits have been reported to date. The CVSS v4.0 score is 2.7, reflecting low severity due to the limited impact and attack complexity. The vulnerability highlights the importance of robust input validation in embedded Bluetooth stacks, especially in IoT frameworks widely used in consumer and industrial devices.

Detailed information about CVE-2025-66409: CWE-125: Out-of-bounds Read in espressif esp-idf affecting espressif esp-idf. Get real-time updates, technical detail

CVE-2025-66409: CWE-125: Out-of-bounds Read in espressif esp-idf - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-66409: CWE-125: Out-of-bounds Read in espressif esp-idf

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