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CVE-2023-2626— Authentication Bypass in OpenThread Boarder Router devices

Quick assessment

Affected
Google Nest Hub Max
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是美国谷歌（Google）公司的一款智能家居产品。 Google Nest存在安全漏洞。该漏洞允许未经身份验证的节点使用“Key ID Mode 2”来伪造无线电帧，这是一种使用静态加密密钥绕过安全检查的特殊模式，从而允许任意 IP 数据包传输到 Thread 网络中。

CVSS 7.5 · High EPSS 0.11% · P1
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I. Basic Information for CVE-2023-2626

Vulnerability Information
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Vulnerability Title
Authentication Bypass in OpenThread Boarder Router devices
Source: CVE Program / CVE List V5
Vulnerability Description
There exists an authentication bypass vulnerability in OpenThread border router devices and implementations. This issue allows unauthenticated nodes to craft radio frames using “Key ID Mode 2”: a special mode using a static encryption key to bypass security checks, resulting in arbitrary IP packets being allowed on the Thread network. This provides a pathway for an attacker to send/receive arbitrary IPv6 packets to devices on the LAN, potentially exploiting them if they lack additional authentication or contain any network vulnerabilities that would normally be mitigated by the home router’s NAT firewall. Effected devices have been mitigated through an automatic update beyond the affected range.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Google Nest 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Nest是美国谷歌（Google）公司的一款智能家居产品。 Google Nest存在安全漏洞。该漏洞允许未经身份验证的节点使用“Key ID Mode 2”来伪造无线电帧，这是一种使用静态加密密钥绕过安全检查的特殊模式，从而允许任意 IP 数据包传输到 Thread 网络中。
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 Hub Max 10.20221207.2.109 ~ 10.20221207.2.120 -
Google Nest Hub (2nd. gen) w/ Sleep Tracking 10.20221207.2.100038 ~ 10.20221207.2.100042 -
Google Nest Wifi 6E 1.59 ~ 1.63.355999 -
Google Google Wifi (next gen) 14150.881.7 ~ 14150.882.9 -
Google Nest Wifi Point 1.56.1 ~ 1.56.368671 -
Google Nest Hub Max 10.20221207.2.109 ~ 10.20221207.2.120 -
Google Nest Hub (2nd. gen) w/ Sleep Tracking 10.20221207.2.100038 ~ 10.20221207.2.100042 -

II. Public POCs for CVE-2023-2626

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III. Intelligence Information for CVE-2023-2626

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Other References for CVE-2023-2626 (1)

IV. Related Vulnerabilities

Same vendor: Google
Same weakness: CWE-287

V. Comments for CVE-2023-2626

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