Multiple serious vulnerabilities have been found in ARRIS cable modems. Malicious users can exploit these vulnerabilities to gain privileges or inject arbitrary code.

Below is a complete list of vulnerabilities:

1. Predictable technician password can be exploited remotely to gain technician privileges;
2. Unknown vulnerability at web management interface can be exploited remotely to gain arbitrary user privileges;
3. Unknown vulnerability at web management initerface can be exploited remotely via a specially designed pwd parameter to inject arbitrary script or HTML;
4. Hardcoded administrator password can be exploited remotely from vectors related to web management interface, SSH, TELNET, SNMP to gain administrator privileges.

Technical details

Vulnerabilities (2, 3) related to adv_pwd_cgi.

Vulnerability (4) caused by hardcoded administrators password derived from serial number.

Arris devices DG860A, TG862A, and TG862G with firmware versions from TS0703128_100611 through TS0705125D_031115

Try to avoid using this accessory in accountable issues.

Vulnerability Notes Database