CVE-2026-25508: Out-of-bounds Read

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.2, 5.4.3, 5.3.4, 5.2.6, and 5.1.6, an out-of-bounds read vulnerability was reported in the BLE ATT Prepare Write handling of the BLE provisioning transport protocommble. The issue can be triggered by a remote B...

CVE-2025-68657 espressif/usb_host_hid Double-Free Race Condition in USB Host HID Device Close Path

Espressif ESP-IDF USB Host HID Human Interface Device Driver allows access to HID devices. Prior to 1.1.0, calls to hidhostdeviceclose can free the same usbtransfert twice. The USB event callback and user code share the hidifacet state without locking, so both can tear down a READY interface...

CVE-2025-68622

Espressif ESP-IDF USB Host UVC Class Driver allows video streaming from USB cameras. Prior to 2.4.0, a vulnerability in the esp-usb UVC host implementation allows a malicious USB Video Class UVC device to trigger a stack buffer overflow during configuration-descriptor parsing. When UVC...

PT-2026-2284

Name of the Vulnerable Software and Affected Versions Espressif ESP-IDF versions prior to 1.1.0 Description The USB Host HID Human Interface Device Driver in ESP-IDF allows access to HID devices. A flaw exists in the usb class request get descriptor function where it frees and reallocates hid...

CVE-2025-68656: Use After Free

Espressif ESP-IDF USB Host HID Human Interface Device Driver allows access to HID devices. Prior to 1.1.0, usbclassrequestgetdescriptor frees and reallocates hiddevice-ctrlxfer when an oversized descriptor is requested but continues to use the stale local pointer, leading to an immediate...

CVE-2025-68622: Stack-based Buffer Overflow

Espressif ESP-IDF USB Host UVC Class Driver allows video streaming from USB cameras. Prior to 2.4.0, a vulnerability in the esp-usb UVC host implementation allows a malicious USB Video Class UVC device to trigger a stack buffer overflow during configuration-descriptor parsing. When UVC...

CVE-2025-68657: Double Free

Espressif ESP-IDF USB Host HID Human Interface Device Driver allows access to HID devices. Prior to 1.1.0, calls to hidhostdeviceclose can free the same usbtransfert twice. The USB event callback and user code share the hidifacet state without locking, so both can tear down a READY interface...

CVE-2018-18558

An issue was discovered in Espressif ESP-IDF 2.x and 3.x before 3.0.6 and 3.1.x before 3.1.1. Insufficient validation of input data in the 2nd stage bootloader allows a physically proximate attacker to bypass secure boot checks and execute arbitrary code, by crafting an application binary that...

CVE-2021-28139

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet, allowing attackers in radio range to trigger arbitrary code execution in ESP32 via a crafted Extended Features bitfield...

CVE-2025-68473

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, in the ESP-IDF Bluetooth host stack BlueDroid, the function btadmsdpresult used a fixed-size array uuidlist32MAXUUIDSIZE to store discovered service UUIDs during the...

CVE-2025-68474

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, in the avrcvendormsg function of the ESP-IDF BlueDroid AVRCP stack, the allocated buffer size was validated using AVRCMINCMDLEN 20 bytes. However, the actual fixed...

CVE-2025-68474: Out-of-bounds Write

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, in the avrcvendormsg function of the ESP-IDF BlueDroid AVRCP stack, the allocated buffer size was validated using AVRCMINCMDLEN 20 bytes. However, the actual fixed...

CVE-2025-68473: Out-of-bounds Write

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, in the ESP-IDF Bluetooth host stack BlueDroid, the function btadmsdpresult used a fixed-size array uuidlist32MAXUUIDSIZE to store discovered service UUIDs during the...

CVE-2025-68474 ESF-IDF Has Out-of-Bounds Write in ESP32 Bluetooth AVRCP Vendor Command Handling

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, in the avrcvendormsg function of the ESP-IDF BlueDroid AVRCP stack, the allocated buffer size was validated using AVRCMINCMDLEN 20 bytes. However, the actual fixed...

CVE-2025-68474 ESF-IDF Has Out-of-Bounds Write in ESP32 Bluetooth AVRCP Vendor Command Handling

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, in the avrcvendormsg function of the ESP-IDF BlueDroid AVRCP stack, the allocated buffer size was validated using AVRCMINCMDLEN 20 bytes. However, the actual fixed...

CVE-2025-68473 ESF-IDF Has Out-of-Bounds Read in ESP32 Bluetooth SDP Result Handling

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, in the ESP-IDF Bluetooth host stack BlueDroid, the function btadmsdpresult used a fixed-size array uuidlist32MAXUUIDSIZE to store discovered service UUIDs during the...

PT-2025-53611

Name of the Vulnerable Software and Affected Versions ESF-IDF versions 5.5.1 through 5.1.6 Description ESF-IDF, the Espressif Internet of Things IOT Development Framework, contains a flaw in the avrc vendor msg function within the BlueDroid AVRCP stack. The function validates the allocated buffer...

CVE-2025-66409 ESF-IDF has an Out-of-Bounds Read in ESP32 Bluetooth AVRCP Command Handling

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...

CVE-2025-66409 ESF-IDF has an Out-of-Bounds Read in ESP32 Bluetooth AVRCP Command Handling

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...

CVE-2025-66409: Out-of-bounds Read

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...