{"id":"CVE-2019-12586","details":"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 messages before any EAP method completion or failure, which allows attackers in radio range to cause a denial of service (crash) via a crafted message.","modified":"2026-07-08T05:55:05.873385113Z","published":"2019-09-04T20:15:10.607Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2.0.0"},{"last_affected":"4.0.0"}],"source":"CPE_RANGE","vendor_product":"espressif:esp-idf"},{"source":"CPE_RANGE","vendor_product":"espressif:esp8266_nonos_sdk","cpes":["cpe:2.3:a:espressif:esp8266_nonos_sdk:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2.2.0"},{"last_affected":"3.0.0"}]}]},"references":[{"type":"ADVISORY","url":"https://github.com/espressif"},{"type":"FIX","url":"https://matheus-garbelini.github.io/home/post/esp32-esp8266-eap-crash/"},{"type":"EVIDENCE","url":"https://github.com/Matheus-Garbelini/esp32_esp8266_attacks"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/espressif/arduino-esp32","events":[{"introduced":"0"},{"last_affected":"6bf104874a453596ac4b2d71feb9917ddaea53fd"},{"introduced":"07390157dfd968ad79449af1d98a2406302c8c33"},{"last_affected":"d5e2bb12ca02ae9066e9dad84d9dbf268aca6fa3"}],"database_specific":{"cpe":["cpe:2.3:a:espressif:arduino-esp32:*:*:*:*:*:*:*:*","cpe:2.3:a:espressif:arduino-esp32:1.0.3:-:*:*:*:*:*:*","cpe:2.3:a:espressif:arduino-esp32:1.0.3:rc1:*:*:*:*:*:*","cpe:2.3:a:espressif:arduino-esp32:1.0.3:rc2:*:*:*:*:*:*"],"extracted_events":[{"introduced":"0"},{"last_affected":"1.0.2"},{"introduced":"1.0.3-NA"},{"last_affected":"1.0.3-NA"},{"introduced":"1.0.3-rc1"},{"last_affected":"1.0.3-rc1"},{"introduced":"1.0.3-rc2"},{"last_affected":"1.0.3-rc2"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["1.0.3-NA","1.0.3-rc1","1.0.3-rc2","1.0.2","1.0.2-rc2","1.0.2-rc1","1.0.1","1.0.1-rc4","1.0.1-rc3","1.0.1-rc2","1.0.1-rc1","1.0.0","1.0.0-rc4","1.0.0-rc3","1.0.0-rc2","1.0.0-rc1","1.0.0-RC0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12586.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}