CVE-2019-12588

Name: CVE-2019-12588
Creator: NVD / NIST
Published: 2019-09-04T12:15:11.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.19%

Last modified Jun 17, 2026

CVE-2019-12588 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.19%

64.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Espressif	Arduino Esp8266	<= 2.5.2
Espressif	Esp8266 Nonos Sdk	>= 2.2.0, <= 3.1.0

References

https://github.com/Matheus-Garbelini/esp32_esp8266_attacksExploit, Third Party Advisory
https://github.com/espressifProduct
https://matheus-garbelini.github.io/home/post/esp8266-beacon-frame-crash/Exploit, Third Party Advisory
https://github.com/Matheus-Garbelini/esp32_esp8266_attacksExploit, Third Party Advisory
https://github.com/espressifProduct
https://matheus-garbelini.github.io/home/post/esp8266-beacon-frame-crash/Exploit, Third Party Advisory

Timeline

Published: Sep 4, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12588?

How severe is CVE-2019-12588?

CVE-2019-12588 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12588?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12588?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST