CVE-2026-19507: high-severity vulnerability in RDK-B WebUI
RDK WebUI uncontrolled resource consumption
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.6%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
RDK · RDK-B WebUIRelated CVEs — RDK-B WebUI
In the same product, most dangerous first.
CVE-2026-19508CRITICALRDK WebUI heap-based buffer overflow vulnerabilityEPSS 1.0%CVE-2026-19505CRITICALRDK-B WebUI improper cryptographic signature verification vulnerabilityEPSS 0.5%CVE-2026-19506HIGHRDK-B WebUI race condition vulnerabilityEPSS 0.5%CVE-2026-19509MEDIUMRDK WebUI DOS vulnerabilityEPSS 0.4%