Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability

A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition.

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输入验证不恰当

多款Cisco产品输入验证错误漏洞

Cisco IP Phone 7811等都是美国思科（Cisco）公司的一款IP电话。 多款Cisco产品的Web server中存在输入验证错误漏洞，该漏洞源于程序没有对HTTP请求进行正确的输入验证。攻击者可借助特制HTTP请求利用该漏洞以root权限执行代码或造成拒绝服务。以下产品及版本受到影响：Cisco IP Phone 7811；IP Phone 7821；IP Phone 7841；IP Phone 7861；IP Phone 8811；IP Phone 8841；IP Phone 8845

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