CVE-2019-19495: Technicolor TC7230 Steb Firmware

Critical severity, CVSS 9.8. EPSS: 4.3% chance of exploitation in the next 30 days.

The web interface on the Technicolor TC7230 STEB 01.25 is vulnerable to DNS rebinding, which allows a remote attacker to configure the cable modem via JavaScript in a victim's browser. The attacker can then configure the cable modem to port forward the modem's internal TELNET server, allowing external access to a root shell.

Affected products

Published 2020-01-08. Last modified 2026-06-17.