# Espressif vulnerabilities Source: https://junglewise.ai/threats/vendors/espressif Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/vendors/espressif.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 8 vulnerabilities in Espressif: 0 in the last 7 days and 6 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-113783, was published on 4 November 2026. 4 vulnerabilities in the last four weeks, up 100% on the four before (2). 1 critical against 0. 1 technology has a page of its own. ## Counts - Last 7 days: 0 - Last 30 days: 3 - Last 90 days: 6 - All time: 8 (2 critical, 0 exploited in the wild) ## About Espressif Semiconductor company that designs microcontrollers and system-on-chip solutions. ## Latest Espressif vulnerabilities - [CVE-2026-113783: Espressif ESP-IDF DNS buffer overflow in lwIP](https://junglewise.ai/threats/cve-2026-113783-esp-idf-is-the-espressif-internet-of-things-iot-development) (high, CVSS 7.4, published 4 Nov 2026) - [CVE-2026-113782: ESP-IDF OpenThread Border Router buffer overflow in Neighbor Discovery](https://junglewise.ai/threats/cve-2026-113782-esp-idf-is-the-espressif-internet-of-things-iot-development) (high, CVSS 7.1, published 4 Nov 2026) - [CVE-2026-113780: Espressif ESP-IDF privilege escalation in TEE trap entry](https://junglewise.ai/threats/cve-2026-113780-esf-idf-is-the-espressif-internet-of-things-iot-development) (critical, CVSS 9.3, published 4 Nov 2026) - [CVE-2026-81507: Espressif ESP-IDF BlueDroid L2CAP out-of-bounds read](https://junglewise.ai/threats/cve-2026-81507-esf-idf-is-the-espressif-internet-of-things-iot-development) (medium, CVSS 6.5, published 13 Oct 2026) - [CVE-2026-81508: Espressif ESP-IDF out-of-bounds read in BlueDroid A2DP sink](https://junglewise.ai/threats/cve-2026-81508-esf-idf-is-the-espressif-internet-of-things-iot-development) (medium, CVSS 4.3, published 24 Sep 2026) - [CVE-2026-17054: Espressif ESP-hosted Wi-Fi driver out-of-bounds read in control frame parsing](https://junglewise.ai/threats/cve-2026-17054-the-espressif-esp-hosted-wi-fi-driver-drivers-wifi-esp-hosted) (medium, CVSS 5.3, published 21 Sep 2026) - [CVE-2026-41429: arduino-esp32 is an Arduino core for the ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2 microcontrollers…](https://junglewise.ai/threats/cve-2026-41429-arduino-esp32-is-an-arduino-core-for-the-esp32-esp32-s2-esp32-s3) (high, CVSS 8.8, published 24 Apr 2026) - [CVE-2025-66409: 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…](https://junglewise.ai/threats/cve-2025-66409-esf-idf-is-the-espressif-internet-of-things-iot-development) (critical, CVSS 9.1, published 2 Dec 2025) ## Most severe Espressif vulnerabilities - [CVE-2026-113780: Espressif ESP-IDF privilege escalation in TEE trap entry](https://junglewise.ai/threats/cve-2026-113780-esf-idf-is-the-espressif-internet-of-things-iot-development) (critical, CVSS 9.3, published 4 Nov 2026) - [CVE-2025-66409: 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…](https://junglewise.ai/threats/cve-2025-66409-esf-idf-is-the-espressif-internet-of-things-iot-development) (critical, CVSS 9.1, published 2 Dec 2025) - [CVE-2026-41429: arduino-esp32 is an Arduino core for the ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2 microcontrollers…](https://junglewise.ai/threats/cve-2026-41429-arduino-esp32-is-an-arduino-core-for-the-esp32-esp32-s2-esp32-s3) (high, CVSS 8.8, published 24 Apr 2026) - [CVE-2026-113783: Espressif ESP-IDF DNS buffer overflow in lwIP](https://junglewise.ai/threats/cve-2026-113783-esp-idf-is-the-espressif-internet-of-things-iot-development) (high, CVSS 7.4, published 4 Nov 2026) - [CVE-2026-113782: ESP-IDF OpenThread Border Router buffer overflow in Neighbor Discovery](https://junglewise.ai/threats/cve-2026-113782-esp-idf-is-the-espressif-internet-of-things-iot-development) (high, CVSS 7.1, published 4 Nov 2026) - [CVE-2026-81507: Espressif ESP-IDF BlueDroid L2CAP out-of-bounds read](https://junglewise.ai/threats/cve-2026-81507-esf-idf-is-the-espressif-internet-of-things-iot-development) (medium, CVSS 6.5, published 13 Oct 2026) - [CVE-2026-17054: Espressif ESP-hosted Wi-Fi driver out-of-bounds read in control frame parsing](https://junglewise.ai/threats/cve-2026-17054-the-espressif-esp-hosted-wi-fi-driver-drivers-wifi-esp-hosted) (medium, CVSS 5.3, published 21 Sep 2026) - [CVE-2026-81508: Espressif ESP-IDF out-of-bounds read in BlueDroid A2DP sink](https://junglewise.ai/threats/cve-2026-81508-esf-idf-is-the-espressif-internet-of-things-iot-development) (medium, CVSS 4.3, published 24 Sep 2026) ## Vulnerabilities per week 4 vulnerabilities in the last four weeks, up 100% on the four before (2). 1 critical against 0. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 2 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 1 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 3 | 1 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Espressif technologies - [Espressif ESP-IDF](https://junglewise.ai/threats/technologies/espressif-esp-idf): 6 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Espressif vulnerabilities", https://junglewise.ai/threats/vendors/espressif, 13 November 2026.