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I. Basic Information for CVE-2021-27954
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A heap-based buffer overflow vulnerability exists on the ecobee3 lite 4.5.81.200 device in the HKProcessConfig function of the HomeKit Wireless Access Control setup process. A threat actor can exploit this vulnerability to force the device to connect to a SSID or cause a denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ecobee Ecobee3 Lite 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ecobee Ecobee3 Lite是加拿大Ecobee公司的一个Wi-Fi 智能恒温器。 Ecobee Ecobee3 Lite 中存在缓冲区错误漏洞,该漏洞源于产品HomeKit无线接入控制设置的 HKProcessConfig 未能正确验证数据边界,攻击者可通过该漏洞强制设备连接到SSID或导致拒绝服务。以下产品及版本受到影响:Ecobee3 Lite 4.5.81.200版本。
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-27954
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III. Intelligence Information for CVE-2021-27954
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