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I. Basic Information for CVE-2021-31785
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Bluetooth Classic implementation on Actions ATS2815 and ATS2819 chipsets does not properly handle the reception of multiple LMP_host_connection_req packets, allowing attackers in radio range to trigger a denial of service (deadlock) of the device via crafted LMP packets. Manual user intervention is required to restart the device and restore Bluetooth communication.
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
Actions ATS2815输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Actions ATS2815是Actions的一款蓝牙芯片。 Actions ATS2815存在输入验证错误漏洞,该漏洞源于Actions ATS2815 和 ATS2819 芯片组上的蓝牙经典实现无法正确处理LMP_host_connection_req 数据包的接收,允许无线电范围内的攻击者通过精心制作的 LMP 数据包触发设备拒绝服务(死锁)。需要手动用户干预才能重新启动设备并恢复蓝牙通信。
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
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II. Public POCs for CVE-2021-31785
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III. Intelligence Information for CVE-2021-31785
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IV. Related Vulnerabilities
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