CVE-2026-19507: Rdk Rdk-B Webui

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Uncontrolled resource consumption in `check.jst` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows a remote unauthenticated attacker to cause denial of service via excessively large password values.

Affected products

• Rdk Rdk-B Webui

Published 2026-08-19. Last modified 2026-09-03.