Medium
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-12588
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:18 UTC · Revision 1
Source evidence
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.
osv:CVE-2019-12588
Complete source record
{
"id": "854d2ba0c160aa40c35fd8aa1b85b75d86f8543d5c6bf05c4ada840006e7f0d8",
"url": "https://osv.dev/vulnerability/CVE-2019-12588",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-12588",
"summary": "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.",
"evidence": "osv:CVE-2019-12588",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-12588",
"aliases": [
"CVE-2019-12588"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/esp8266/arduino",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "8b899c12fb5044a6a51b92501bfcdf86a3d98dd8"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:espressif:arduino_esp8266:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.5.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"2.5.2",
"2.5.1",
"2.5.0",
"2.5.0-beta3",
"2.5.0-beta2",
"2.5.0-beta1",
"2.4.2",
"2.4.1",
"2.4.0",
"2.4.0-rc2",
"2.4.0-rc1",
"2.3.0",
"2.3.0-rc2",
"2.3.0-rc1",
"2.2.0",
"2.2.0-rc1",
"2.1.0",
"2.1.0-rc2",
"2.1.0-rc1",
"2.0.0",
"2.0.0-rc2",
"2.0.0-rc1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12588.json"
}
}
],
"modified": "2026-10-24T10:30:16.912156434Z",
"provider": "osv",
"references": [
"https://github.com/espressif",
"https://github.com/Matheus-Garbelini/esp32_esp8266_attacks",
"https://matheus-garbelini.github.io/home/post/esp8266-beacon-frame-crash/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:espressif:esp8266_nonos_sdk:*:*:*:*:*:*:*:*"
],
"vendor_product": "espressif:esp8266_nonos_sdk",
"extracted_events": [
{
"range": [
{
"introduced": "2.2.0"
},
{
"last_affected": "3.1.0"
}
],
"source": "CPE_RANGE"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-12588",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 429447,
"published_at": "2019-09-04T12:15:11.107+00:00"
}