CVE-2022-20703

Múltiples vulnerabilidades en los routers Cisco Small Business RV160, RV260, RV340 y RV345 Series podrían permitir a un atacante realizar cualquiera de las siguientes acciones Ejecutar código arbitrario. Elevar los privilegios. Ejecutar comandos arbitrarios. Omitir las protecciones de autenticación y autorización. Obtener y ejecutar software no firmado. Causar una denegación de servicio (DoS) Para obtener más información sobre estas vulnerabilidades, consulte la sección Detalles de este aviso

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Cisco RV340 routers. User interaction is required to exploit this vulnerability in that an administrator must perform a firmware update on the device.
The specific flaw exists within the downloading of firmware files via HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this vulnerability to execute code in the context of root.

A vulnerability in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, or cause a denial of service (DoS).