Critical (9.6) in roku roku firmware. EPSS 1.9% chance of exploitation in the next 30 days.
The External Control API in Roku and Roku TV products allow unauthorized access via a DNS Rebind attack. This can result in remote device control and privileged device and network information to be exfiltrated by an attacker.
Severity
CVSS 3.0
9.6 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)