espressif records
46 published records for vendor espressif.
Researcher profile
- Entered KEV
- 0 · 0%
- Weaponized
- 0 · 0%
- Pre-auth RCE
- 3
- With a fix record
- 21.7%
- Median publish → KEV
- No record has entered KEV
Recurring classes
- CWE-125 Out-of-bounds Read5
- CWE-20 Improper Input Validation5
- CWE-787 Out-of-bounds Write4
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')4
- CWE-121 Stack-based Buffer Overflow3
- CWE-287 Improper Authentication2
The weakness classes this vendor ships most often: where to look.
CWEAll records
46 records| Action | CVE | Vulnerability | Severity | KEV | EPSS | Published |
|---|---|---|---|---|---|---|
39Monitor | CVE-2026-42854No exploit | arduino-esp32: Stack buffer overflow in WebServer multipart boundary parsing leads to remote crash potential RCEespressif · arduino-esp32 · CWE-121 | Critical9.8 | — | 0.5% | May 12, 2026 |
35Monitor | CVE-2021-28139No exploit | The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an Lespressif · esp-idf | High8.8 | — | 1.4% | Sep 7, 2021 |
35Monitor | CVE-2024-53406No exploit | Espressif Esp idf v5.3.0 is vulnerable to Insecure Permissions resulting in Authentication bypass.espressif · esp-idf · CWE-639 | High8.8 | — | 0.6% | Mar 13, 2025 |
35Monitor | CVE-2022-24893No exploit | Espressif Bluetooth Mesh Stack Vulnerable to Out-of-bounds Write leading to memory buffer corruptionespressif · esp-idf · CWE-787 | High8.8 | — | 0.5% | Jun 25, 2022 |
35Monitor | CVE-2026-41429No exploit | Improper validation of NBNS name_len in arduino-esp32 NetBIOS leads to memory corruptionespressif · arduino-esp32 · CWE-121 | High8.8 | — | 0.3% | Apr 24, 2026 |
35Monitor | CVE-2026-45328No exploit | ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrappersespressif · esp-idf · CWE-20 | High8.8 | — | 0.1% | Jun 9, 2026 |
32Monitor | CVE-2024-33453Proof of concept | Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to obtain sensitive information via the externalId component.espressif · esp-idf · CWE-120 | High8.1 | — | 0.9% | Oct 17, 2024 |
32Monitor | CVE-2019-12587No exploit | The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and ESP8266_NONOS_SDK 2.2.0 through 3.1.0 allows the installation of a espressif · esp-idf · CWE-327 | High8.1 | — | 0.8% | Sep 4, 2019 |
32Monitor | CVE-2026-25532No exploit | ESF-IDF is Vulnerable to WPS Enrollee Fragment Integer Underflowespressif · esp-idf · CWE-191 | High8.0 | — | 0.2% | Feb 4, 2026 |
30Monitor | CVE-2021-34173No exploit | An 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.espressif · esp32 firmware | High7.5 | — | 1.4% | Jul 14, 2021 |
30Monitor | CVE-2020-16146No exploit | 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 Bufespressif · esp-idf · CWE-120 | High7.5 | — | 1.3% | Jan 11, 2021 |
30Monitor | CVE-2021-41104No exploit | web_server allows OTA update without checking user defined basic auth username & passwordesphome · esphome firmware · CWE-306 | High7.5 | — | 1.2% | Sep 28, 2021 |
30Monitor | CVE-2024-51428Proof of concept | An issue in Espressif Esp idf v5.3.0 allows attackers to cause a Denial of Service (DoS) via a crafted data channel packet.espressif · esp-idf · CWE-770 | High7.5 | — | 0.5% | Nov 7, 2024 |
30Monitor | CVE-2023-46894No exploit | An issue discovered in esptool 4.6.2 allows attackers to view sensitive information via weak cryptographic algorithm.espressif · esptool · CWE-326 | High7.5 | — | 0.4% | Nov 9, 2023 |
30Monitor | CVE-2026-45541No exploit | ESF-IDF: Remote Null Pointer Dereference in WebSocket Serverespressif · esp-idf · CWE-476 | High7.5 | — | 0.4% | Jun 9, 2026 |
30Monitor | CVE-2026-42855No exploit | arduino-esp32: Digest authentication URI mismatch bypass in WebServer allows cross-resource replay attackespressif · arduino-esp32 · CWE-287 | High7.5 | — | 0.3% | May 12, 2026 |
28Monitor | CVE-2025-52471No exploit | ESP-NOW Integer Underflow Vulnerability Advisoryespressif · esp-idf · CWE-191 | High7.2 | — | 0.9% | Jun 24, 2025 |
28Monitor | CVE-2026-45542No exploit | ESF-IDF: Heap buffer overflow in protocomm Security2 over Bluetoothespressif · esp-idf · CWE-122 | High7.1 | — | 0.3% | Jun 9, 2026 |
27Monitor | CVE-2025-27840Proof of concept | Espressif ESP32 chips allow 29 hidden HCI commands, such as 0xFC02 (Write memory).espressif · esp32 firmware · CWE-912 | Medium6.8 | — | 1.3% | Mar 8, 2025 |
27Monitor | CVE-2020-12638No exploit | An encryption-bypass issue was discovered on Espressif ESP-IDF devices through 4.2, ESP8266_NONOS_SDK devices through 3.0.3, and ESP8266_RTOespressif · esp-idf · CWE-287 | Medium6.8 | — | 0.4% | Jul 23, 2020 |
27Monitor | CVE-2019-15894No exploit | 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.espressif · esp-idf · CWE-755 | Medium6.8 | — | 0.4% | Oct 7, 2019 |
27Monitor | CVE-2025-68622No exploit | Espressif ESP-IDF USB Host UVC Class Driver has a stack buffer overflow in UVC descriptor printingespressif · usb host uvc class driver · CWE-121 | Medium6.8 | — | 0.2% | Jan 12, 2026 |
27Monitor | CVE-2023-35818No exploit | An issue was discovered on Espressif ESP32 3.0 (ESP32_rev300 ROM) devices.espressif · esp32-d0wd-v3 firmware | Medium6.8 | — | 0.2% | Jul 17, 2023 |
27Monitor | CVE-2025-68656No exploit | Espressif ESP-IDF USB Host HID (Human Interface Device) Driver Descriptor Use-After-Free Vulnerabilityespressif · usb host hid driver · CWE-416 | Medium6.8 | — | 0.2% | Jan 12, 2026 |
26Monitor | CVE-2019-12586Proof of concept | The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and ESP8266_NONOS_SDK 2.2.0 through 3.1.0 processes EAP Success messageespressif · arduino-esp32 | Medium6.5 | — | 1.4% | Sep 4, 2019 |
- CVE-2026-4285439Monitor
arduino-esp32: Stack buffer overflow in WebServer multipart boundary parsing leads to remote crash potential RCE
CriticalCVSS 9.8No exploitEPSS 0%espressif · arduino-esp32May 12, 2026
- CVE-2021-2813935Monitor
The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an L
HighCVSS 8.8No exploitEPSS 1%espressif · esp-idfSep 7, 2021
- CVE-2024-5340635Monitor
Espressif Esp idf v5.3.0 is vulnerable to Insecure Permissions resulting in Authentication bypass.
HighCVSS 8.8No exploitEPSS 0%espressif · esp-idfMar 13, 2025
- CVE-2022-2489335Monitor
Espressif Bluetooth Mesh Stack Vulnerable to Out-of-bounds Write leading to memory buffer corruption
HighCVSS 8.8No exploitEPSS 0%espressif · esp-idfJun 25, 2022
- CVE-2026-4142935Monitor
Improper validation of NBNS name_len in arduino-esp32 NetBIOS leads to memory corruption
HighCVSS 8.8No exploitEPSS 0%espressif · arduino-esp32Apr 24, 2026
- CVE-2026-4532835Monitor
ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrappers
HighCVSS 8.8No exploitEPSS 0%espressif · esp-idfJun 9, 2026
- CVE-2024-3345332Monitor
Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to obtain sensitive information via the externalId component.
HighCVSS 8.1Proof of conceptEPSS 0%espressif · esp-idfOct 17, 2024
- CVE-2019-1258732Monitor
The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and ESP8266_NONOS_SDK 2.2.0 through 3.1.0 allows the installation of a
HighCVSS 8.1No exploitEPSS 0%espressif · esp-idfSep 4, 2019
- CVE-2026-2553232Monitor
ESF-IDF is Vulnerable to WPS Enrollee Fragment Integer Underflow
HighCVSS 8.0No exploitEPSS 0%espressif · esp-idfFeb 4, 2026
- CVE-2021-3417330Monitor
An 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.
HighCVSS 7.5No exploitEPSS 1%espressif · esp32 firmwareJul 14, 2021
- CVE-2020-1614630Monitor
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 Buf
HighCVSS 7.5No exploitEPSS 1%espressif · esp-idfJan 11, 2021
- CVE-2021-4110430Monitor
web_server allows OTA update without checking user defined basic auth username & password
HighCVSS 7.5No exploitEPSS 1%esphome · esphome firmwareSep 28, 2021
- CVE-2024-5142830Monitor
An issue in Espressif Esp idf v5.3.0 allows attackers to cause a Denial of Service (DoS) via a crafted data channel packet.
HighCVSS 7.5Proof of conceptEPSS 0%espressif · esp-idfNov 7, 2024
- CVE-2023-4689430Monitor
An issue discovered in esptool 4.6.2 allows attackers to view sensitive information via weak cryptographic algorithm.
HighCVSS 7.5No exploitEPSS 0%espressif · esptoolNov 9, 2023
- CVE-2026-4554130Monitor
ESF-IDF: Remote Null Pointer Dereference in WebSocket Server
HighCVSS 7.5No exploitEPSS 0%espressif · esp-idfJun 9, 2026
- CVE-2026-4285530Monitor
arduino-esp32: Digest authentication URI mismatch bypass in WebServer allows cross-resource replay attack
HighCVSS 7.5No exploitEPSS 0%espressif · arduino-esp32May 12, 2026
- CVE-2025-5247128Monitor
ESP-NOW Integer Underflow Vulnerability Advisory
HighCVSS 7.2No exploitEPSS 0%espressif · esp-idfJun 24, 2025
- CVE-2026-4554228Monitor
ESF-IDF: Heap buffer overflow in protocomm Security2 over Bluetooth
HighCVSS 7.1No exploitEPSS 0%espressif · esp-idfJun 9, 2026
- CVE-2025-2784027Monitor
Espressif ESP32 chips allow 29 hidden HCI commands, such as 0xFC02 (Write memory).
MediumCVSS 6.8Proof of conceptEPSS 1%espressif · esp32 firmwareMar 8, 2025
- CVE-2020-1263827Monitor
An encryption-bypass issue was discovered on Espressif ESP-IDF devices through 4.2, ESP8266_NONOS_SDK devices through 3.0.3, and ESP8266_RTO
MediumCVSS 6.8No exploitEPSS 0%espressif · esp-idfJul 23, 2020
- CVE-2019-1589427Monitor
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.
MediumCVSS 6.8No exploitEPSS 0%espressif · esp-idfOct 7, 2019
- CVE-2025-6862227Monitor
Espressif ESP-IDF USB Host UVC Class Driver has a stack buffer overflow in UVC descriptor printing
MediumCVSS 6.8No exploitEPSS 0%espressif · usb host uvc class driverJan 12, 2026
- CVE-2023-3581827Monitor
An issue was discovered on Espressif ESP32 3.0 (ESP32_rev300 ROM) devices.
MediumCVSS 6.8No exploitEPSS 0%espressif · esp32-d0wd-v3 firmwareJul 17, 2023
- CVE-2025-6865627Monitor
Espressif ESP-IDF USB Host HID (Human Interface Device) Driver Descriptor Use-After-Free Vulnerability
MediumCVSS 6.8No exploitEPSS 0%espressif · usb host hid driverJan 12, 2026
- CVE-2019-1258626Monitor
The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and ESP8266_NONOS_SDK 2.2.0 through 3.1.0 processes EAP Success message
MediumCVSS 6.5Proof of conceptEPSS 1%espressif · arduino-esp32Sep 4, 2019