espressif Esp32 Vulnerabilities

Espressif Esp32 vulnerabilities.

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12 May 2026

Stack Overflow Vulnerability in arduino-esp32 Affected Product by Espressif
CVE-2026-42854
EspressifArduino-esp329.8CRITICAL
Authentication Bypass Vulnerability in Arduino Core for ESP32 by Espressif
CVE-2026-42855
EspressifArduino-esp327.5HIGH

24 April 2026

Memory Corruption Vulnerability in Arduino Core for ESP32 Microcontrollers
CVE-2026-41429
EspressifArduino-esp328.8HIGH

7 July 2025

Cross-Site Request Forgery Vulnerability in Arduino Core for ESP32 Microcontrollers
CVE-2025-53540
EspressifArduino-esp328.7HIGH

26 June 2025

HTTP Response Splitting Vulnerability in Arduino ESP32 by Espressif
CVE-2025-53007
EspressifArduino-esp328.9HIGH

8 March 2025

Undocumented Hidden Commands in Espressif ESP32 Bluetooth Chips
CVE-2025-27840
EspressifEsp32🥇📈💰👾🟡📰6.8MEDIUM

17 July 2023

EMFI Attack Vulnerability in Espressif ESP32 Devices
CVE-2023-35818
EspressifEsp32-d0wd-v3 Firmware6.8MEDIUM

14 July 2021

Denial of Service Vulnerability in Espressif ESP32 Products
CVE-2021-34173
EspressifEsp32 Firmware7.5HIGH

14 November 2019

Physical Access Vulnerability in Espressif ESP32 Chip
CVE-2019-17391
EspressifEsp32-d0wd Firmware4.6MEDIUM

4 September 2019

EAP Peer Implementation Vulnerability in Espressif Products
CVE-2019-12586
EspressifEsp-idf👾🟡6.5MEDIUM