CVE-2019-12588

MEDIUM

Espressif ESP8266_NONOS_SDK 2.2.0-3.1.0 - Denial of Service via Crafted 802.11 Beacon Frame

Title source: llm
STIX 2.1

Description

The client 802.11 mac implementation in Espressif ESP8266_NONOS_SDK 2.2.0 through 3.1.0 does not validate correctly the RSN AuthKey suite list count in beacon frames, probe responses, and association responses, which allows attackers in radio range to cause a denial of service (crash) via a crafted message.

References (3)

Core 3
Core References
Product x_refsource_misc
https://github.com/espressif
Exploit, Third Party Advisory x_refsource_misc
https://github.com/Matheus-Garbelini/esp32_esp8266_attacks
Exploit, Third Party Advisory x_refsource_misc
https://matheus-garbelini.github.io/home/post/esp8266-beacon-frame-crash/

Scores

CVSS v3 6.5
EPSS 0.0119
EPSS Percentile 64.2%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (2)
espressif/arduino_esp8266 < 2.5.2
espressif/esp8266_nonos_sdk 2.2.0 - 3.1.0
Published Sep 04, 2019
Tracked Since Feb 18, 2026