114 matches found
GHSA-MXH2-CCGJ-8635 ESP-IDF web_server basic auth bypass using empty or incomplete Authorization header
Summary On the ESP-IDF platform, ESPHome's webserver authentication check can pass incorrectly when the client-supplied base64-encoded Authorization value is empty or is a substring of the correct value e.g., correct username with partial password. This allows access to webserver functionality...
CVE-2025-55297 ESF-IDF BluFi Example Memory Overflow Vulnerability
ESF-IDF is the Espressif Internet of Things IOT Development Framework. The BluFi example bundled in ESP-IDF was vulnerable to memory overflows in two areas: Wi-Fi credential handling and Diffie–Hellman key exchange. This vulnerability is fixed in 5.4.1, 5.3.3, 5.1.6, and 5.0.9...
CVE-2025-52471
ESF-IDF is the Espressif Internet of Things IOT Development Framework. An integer underflow vulnerability has been identified in the ESP-NOW protocol implementation within the ESP Wi-Fi component of versions 5.4.1, 5.3.3, 5.2.5, and 5.1.6 of the ESP-IDF framework. This issue stems from insufficie...
CVE-2025-52471
ESF-IDF is the Espressif Internet of Things IOT Development Framework. An integer underflow vulnerability has been identified in the ESP-NOW protocol implementation within the ESP Wi-Fi component of versions 5.4.1, 5.3.3, 5.2.5, and 5.1.6 of the ESP-IDF framework. This issue stems from insufficie...
CVE-2025-52471 ESP-NOW Integer Underflow Vulnerability Advisory
ESF-IDF is the Espressif Internet of Things IOT Development Framework. An integer underflow vulnerability has been identified in the ESP-NOW protocol implementation within the ESP Wi-Fi component of versions 5.4.1, 5.3.3, 5.2.5, and 5.1.6 of the ESP-IDF framework. This issue stems from insufficie...
CVE-2025-52471 ESP-NOW Integer Underflow Vulnerability Advisory
ESF-IDF is the Espressif Internet of Things IOT Development Framework. An integer underflow vulnerability has been identified in the ESP-NOW protocol implementation within the ESP Wi-Fi component of versions 5.4.1, 5.3.3, 5.2.5, and 5.1.6 of the ESP-IDF framework. This issue stems from insufficie...
CVE-2025-52471
The CVE-2025-52471 affects ESP-IDF’s ESP-NOW protocol within the ESP-Wi‑Fi component for ESP-IDF versions 5.4.1, 5.3.3, 5.2.5, and 5.1.6. Root cause: insufficient validation of the data_len parameter in the RX callback/data length handling leads to integer underflow, potentially causing out-of-bo...
CVE-2025-52471 ESP-NOW Integer Underflow Vulnerability Advisory
ESF-IDF is the Espressif Internet of Things IOT Development Framework. An integer underflow vulnerability has been identified in the ESP-NOW protocol implementation within the ESP Wi-Fi component of versions 5.4.1, 5.3.3, 5.2.5, and 5.1.6 of the ESP-IDF framework. This issue stems from insufficie...
PT-2025-26778
Name of the Vulnerable Software and Affected Versions: ESF-IDF versions 5.1.6, 5.2.5, 5.3.3, and 5.4.1 Description: An integer underflow vulnerability has been identified in the ESP-NOW protocol implementation within the ESP Wi-Fi component of the ESP-IDF framework. This issue stems from...
CVE-2024-33453
Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to obtain sensitive information via the externalId component...
CVE-2024-28183
ESP-IDF is the development framework for Espressif SoCs supported on Windows, Linux and macOS. A Time-of-Check to Time-of-Use TOCTOU vulnerability was discovered in the implementation of the ESP-IDF bootloader which could allow an attacker with physical access to flash of the device to bypass...
CVE-2021-28135
The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service crash in ESP32 by flooding the target device with LMP Feature Response data...
CVE-2020-13595
The Bluetooth Low Energy BLE controller implementation in Espressif ESP-IDF 4.0 through 4.2 for ESP32 devices returns the wrong number of completed BLE packets and triggers a reachable assertion on the host stack when receiving a packet with an MIC failure. An attacker within radio range can...
CVE-2020-16146
Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.7, 3.2.x through 3.2.3, 3.3.x through 3.3.2, and 4.0.x through 4.0.1 has a Buffer Overflow in BluFi provisioning in btcblufirecvhandler function in blufiprf.c. An attacker can send a crafted BluFi protocol Write Attribute command to...
CVE-2019-15894
An issue was discovered in Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.6, 3.2.x through 3.2.3, and 3.3.x through 3.3.1. An attacker who uses fault injection to physically disrupt the ESP32 CPU can bypass the Secure Boot digest verification at startup, and boot unverified code fr...
CVE-2024-53406
Espressif Esp idf v5.3.0 is vulnerable to Insecure Permissions resulting in Authentication bypass. In the reconnection phase, the device reuses the session key from a previous connection session, creating an opportunity for attackers to execute security bypass attacks...
CVE-2024-53406
Espressif Esp idf v5.3.0 is vulnerable to Insecure Permissions resulting in Authentication bypass. In the reconnection phase, the device reuses the session key from a previous connection session, creating an opportunity for attackers to execute security bypass attacks...
CVE-2024-33454
Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to execute arbitrary code via a crafted script to the Bluetooth stack component...
CVE-2022-24893
ESP-IDF is the official development framework for Espressif SoCs. In Espressif’s Bluetooth Mesh SDK ESP-BLE-MESH, a memory corruption vulnerability can be triggered during provisioning, because there is no check for the SegN field of the Transaction Start PDU. This can result in memory corruption...