CVE-2026-19509

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_documentation/components/webui/
• https://whitehats.pwr.edu.pl//blog/2026-08-19-multiple-vulnerabilities-in-rdkb/