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Vulnerability record · CVE-2026-19507 · published 19 August 2026

CVE-2026-19507: Uncontrolled resource consumption vulnerability

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.

7.5 CVSS 3.1 High EPSS 0.43% · top 65.5% CWE-400 · Uncontrolled resource consumption Awaiting Analysis
7.5CVSS 3.1 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
3 Sep 2026Last modified by NVD

Description

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

References

LinkTags
https://developer.rdkcentral.com/documentation/documentation/rdk_broadband_documentation/components/webui/
https://whitehats.pwr.edu.pl//blog/2026-08-19-multiple-vulnerabilities-in-rdkb/

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Source: NIST National Vulnerability Database (record CVE-2026-19507), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.