RCA : Security Vulnerabilities, CVEs,

micro_httpd on the RCA DCM425 cable modem allows remote attackers to cause a denial of service (device reboot) via a long string to TCP port 80.

RCA Digital Cable Modem DCM225 and DCM225E, and other modems that must conform to the Data-over-Cable Service Interface Specifications DOCSIS standard, uses the "public" community string for SNMP access, which allows remote attackers to read or write MIB information.

The RCA Digital Cable Modems DCM225 and DCM225E allow remote attackers to cause a denial of service (modem device reset) by connecting to port 80 on the 10.0.0.0/8 device.