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CVE-2019-12588

MEDIUM
6.5
CVSS Score
Published: September 4, 2019 at 11:30 AM UTC
Updated: June 17, 2026 at 02:14 AM UTC
2 products affected across 1 vendorESP8266 Nonos SDKArduino ESP8266

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Severity
MEDIUM6.5
Exploit prediction
EPSS 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Arduino ESP8266· Espressif
95%
v ≤ 2.5.2
ESP8266 Nonos SDK· Espressif
95%
2.2.0 ≤ v ≤ 3.1.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/Matheus-Garbelini/esp32_esp8266_attacks
x_refsource_MISCProduct
Source: [email protected]
https://github.com/espressif
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://matheus-garbelini.github.io/home/post/esp8266-beacon-frame-crash/

CVSS

6.5MEDIUM[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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