![]() ![]() A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. To exploit this vulnerability by using either method, the attacker must know the shared TACACS+ secret and the crafted packet must be sent in response to a TACACS+ request from a TACACS+ client. An attacker could exploit this vulnerability by injecting a crafted TACACS+ packet into an existing TACACS+ session between an affected device and a TACACS+ server or by impersonating a known, valid TACACS+ server and sending a crafted TACACS+ packet to an affected device when establishing a connection to the device. The vulnerability is due to improper handling of crafted TACACS+ response packets by the affected software. When I try to dial a phone in the router A to each router B the phone dials the Ringout timeout and mark Unknow number is completed, when I make a call, the router which owns the phone number of that mark, I run. A vulnerability in the TACACS+ client subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. between phones of the same router), every router Ive configured a dial-peer intercomunicarlos and this is where the problem arises.
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