Vulnerability Description
Improper input validation in `ajaxSet_wireless_network_configuration.jst` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows an authenticated attacker to cause denial of service via a crafted `ssid_number` parameter.
References
- https://developer.rdkcentral.com/documentation/documentation/rdk_broadband_docum
- https://whitehats.pwr.edu.pl//blog/2026-08-19-multiple-vulnerabilities-in-rdkb/
FAQ
What is CVE-2026-19509?
CVE-2026-19509 is a documented vulnerability. Improper input validation in `ajaxSet_wireless_network_configuration.jst` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows an authenticated attacker to cause denial of service via a crafted `ssi...
How severe is CVE-2026-19509?
CVSS scoring is not yet available for CVE-2026-19509. Check NVD for updates.
Is there a patch for CVE-2026-19509?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.