CVE-2025-36939

Authenticated Thread Attacker Causes Device Denial of Service via OpenThread MLE Packet Vulnerabilities

Published Aug 24, 2026 CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Description
Multiple vulnerabilities exist in OpenThread's handling of MLE packets. An authenticated attacker on the same Thread network could send specially crafted packets to cause a denial of service. These issues include triggerable assertion failures and a stack-based buffer overflow.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Google nest Wifi Point
Google nest Wifi Point Firmware
Google nest Wifi Pro
Google nest Wifi Pro Firmware
Google nest Wifi Router
Google nest Wifi Router Firmware
CPEs cpe:2.3:h:google:nest_wifi_point:*:*:*:*:*:*:*:*
cpe:2.3:h:google:nest_wifi_pro:*:*:*:*:*:*:*:*
cpe:2.3:h:google:nest_wifi_router:*:*:*:*:*:*:*:*
cpe:2.3:o:google:nest_wifi_point_firmware:3.78.518349:*:*:*:*:*:*:*
cpe:2.3:o:google:nest_wifi_pro_firmware:3.78.518349:*:*:*:*:*:*:*
cpe:2.3:o:google:nest_wifi_router_firmware:3.78.518349:*:*:*:*:*:*:*
Vendors & Products Google nest Wifi Point
Google nest Wifi Point Firmware
Google nest Wifi Pro
Google nest Wifi Pro Firmware
Google nest Wifi Router
Google nest Wifi Router Firmware
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
Title Authenticated Thread Attacker Causes Device Denial of Service via OpenThread MLE Packet Vulnerabilities
Type Values Removed Values Added
First Time appeared Google
Google nest
Vendors & Products Google
Google nest
Type Values Removed Values Added
Title Denial of Service Vulnerability in OpenThread MLE Packet Handling for Google Nest
Weaknesses CWE-119
CWE-682
Type Values Removed Values Added
Title Denial of Service Vulnerability in OpenThread MLE Packet Handling for Google Nest
Weaknesses CWE-119
CWE-121
CWE-682
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Multiple vulnerabilities exist in OpenThread's handling of MLE packets. An authenticated attacker on the same Thread network could send specially crafted packets to cause a denial of service. These issues include triggerable assertion failures and a stack-based buffer overflow.
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Google_Devices
Published
Updated
Aug 24, 2026, 5:20 PM
Reserved
Apr 16, 2025, 12:33 AM
Status
Analyzed
Published
Aug 24, 2026, 5:17 PM
Modified
Oct 7, 2026, 9:10 AM