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-2025-57808 ESP-IDF web_server basic auth bypass using empty or incomplete Authorization header

ESPHome is a system to control microcontrollers remotely through Home Automation systems. In version 2025.8.0 in 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 correc...

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...

CLSA-2025-1752749664 libreswan: Fix of CVE-2024-3652

CVE-2024-3652: fix assertion failure and crash caused by requesting AES-GMAC without specifying esp= line...

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...

U.S. Dept Of Defense: Reflected XSS via user Parameter in /ssl-vpn/getconfig.esp

A reflected Cross-Site Scripting XSS vulnerability was discovered in the user parameter of the /ssl-vpn/getconfig.esp endpoint. This allowed an attacker to inject and execute arbitrary JavaScript in a user's browser. The vulnerability was found on a .mil domain associated with a VPN configuration...

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-2024-42484

ESP-NOW Component provides a connectionless Wi-Fi communication protocol. An Out-of-Bound OOB vulnerability was discovered in the implementation of the ESP-NOW group type message because there is no check for the addrsnum field of the group type message. This can result in memory corruption relat...

CVE-2024-7269

Improper Neutralization of Input During Web Page Generation vulnerability in "Update of Personal Details" form in ConnX ESP HR Management allows Stored XSS attack. An attacker might inject a script to be run in user's browser. After multiple attempts to contact the vendor we did not receive any...

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-2023-0246

A vulnerability, which was classified as problematic, was found in earclink ESPCMS P8.21120101. Affected is an unknown function of the component Content Handler. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the...

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...