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I. Basic Information for CVE-2022-20766
Vulnerability Information

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Vulnerability Title
Cisco ATA 190 Series Analog Telephone Adapter firmware Cisco Discovery Protocol Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Adaptive Telephone Adapter firmware could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to an out-of-bounds read when processing Cisco Discovery Protocol packets. An attacker could exploit this vulnerability by sending crafted Cisco Discovery Protocol packets to an affected device. A successful exploit could allow the attacker to cause a service restart.Cisco has released firmware updates that address this vulnerability. There are no workarounds that address this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco ATA 190 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco ATA 190是美国思科(Cisco)公司的一个模拟电话适配器。 Cisco ATA 190 Series 存在安全漏洞,该漏洞源于 Cisco 发现协议和链路层发现协议 (LLDP) 中存在多个漏洞。这些漏洞可能允许攻击者执行代码、导致服务意外重新加载或导致 Cisco 发现协议或 LLDP 数据库损坏受影响的设备。
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
CiscoCisco Analog Telephone Adaptor (ATA) Software 2.16(1) -
II. Public POCs for CVE-2022-20766
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III. Intelligence Information for CVE-2022-20766
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IV. Related Vulnerabilities
V. Comments for CVE-2022-20766

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