Espressif Esp32

8 CVEs affecting Espressif Esp32. Latest disclosed: 2026-04-24. Critical: 0, High: 4.

Top CVEs affecting Espressif Esp32
CVESeverityScorePublishedSummary
CVE-2026-41429High8.82026-04-24arduino-esp32 is an Arduino core for the ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2 microcontrollers. Prior to 3.3.8, there is a remotely reach…
CVE-2021-28139High8.82021-09-07The 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…
CVE-2021-41104High7.52021-09-28ESPHome is a system to control the ESP8266/ESP32. Anyone with web_server enabled and HTTP basic auth configured on version 2021.9.1 or older is vulnerable to a…
CVE-2021-34173High7.52021-07-14An attacker can cause a Denial of Service and kernel panic in v4.2 and earlier versions of Espressif esp32 via a malformed beacon csa frame. The device require…
CVE-2025-27840Medium6.82025-03-08Espressif ESP32 chips allow 29 hidden HCI commands, such as 0xFC02 (Write memory).
CVE-2021-28136Medium6.52021-09-07The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of multiple LMP IO Capability Request packets…
CVE-2020-13595Medium6.52020-08-31The 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 pac…
CVE-2020-13594Medium6.52020-08-31The Bluetooth Low Energy (BLE) controller implementation in Espressif ESP-IDF 4.2 and earlier (for ESP32 devices) does not properly restrict the channel map fi…