Cisco Cable Modem with Digital Voice Remote Code Execution Vulnerability

A vulnerability in the web server used in the Cisco Cable Modem with Digital Voice Model DPC2203 could allow an unauthenticated, remote attacker to exploit a buffer overflow and cause arbitrary code execution.

The vulnerability is due to improper input validation for HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device.

Cisco has released software updates to its service provider customers that address the vulnerability described in this advisory. Prior to contacting Cisco TAC, customers are advised to contact their service providers to confirm the software deployed by the service provider includes the fix that addresses this vulnerability. Workarounds that mitigate this vulnerability are not available.

This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160309-cmre[“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160309-cmre”]