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CVE-2025-36939

Quick assessment

Affected
Google Nest
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google Nest是美国Google公司的一款智能家居设备。 Google Nest 3.78.518349版本存在缓冲区错误漏洞，该漏洞源于OpenThread处理MLE数据包时存在可触发的断言失败和栈缓冲区溢出问题，可能导致经过身份验证的同一Thread网络攻击者发送特制数据包造成拒绝服务。

CVSS 10.0 · Critical EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
Google Nest 3.78.518349 affected
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I. Basic Information for CVE-2025-36939

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Nest 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Nest是美国Google公司的一款智能家居设备。 Google Nest 3.78.518349版本存在缓冲区错误漏洞，该漏洞源于OpenThread处理MLE数据包时存在可触发的断言失败和栈缓冲区溢出问题，可能导致经过身份验证的同一Thread网络攻击者发送特制数据包造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Google Nest 3.78.518349 -

II. Public POCs for CVE-2025-36939

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III. Intelligence Information for CVE-2025-36939

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Vendor Pages for CVE-2025-36939 (1)

IV. Related Vulnerabilities

Same product: Nest
Same vendor: Google

V. Comments for CVE-2025-36939

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