CVE-2026-19509

Improper input validation in ajaxSet_wireless_network_configuration.jst of RDK-B WebUI (rdkb-2025q4-kirkstone.04.10.26) allows an authenticated attacker to trigger denial of service via a crafted ssid_number parameter. No exploit or patch details are provided in the available documents.

CVE-2026-19506

A race condition in the check.jst file of RDK-B WebUI (firmware version rdkb-2025q4-kirkstone.04.10.26) allows a remote attacker to gain unauthorized access by sending concurrent authentication requests that exploit shared authentication state. No patch or workaround is documented; the issue was ...

CVE-2026-19505

A flaw in jst_functions.c of RDK-B WebUI (rdkb-2025q4-kirkstone.04.10.26) fails to properly verify JWT RSA signatures, allowing a remote attacker to submit a forged token and gain administrative access. No patch version or exploit details are provided in the available documents.

RDK-B WebUI contains multiple vulnerabilities

Overview RDK Central RDK-B WebUI version, rdkb-2025q4-kirkstone, contains multiple vulnerabilities involving memory corruption, improper authentication, race conditions, and insufficient input validation. An attacker with network access to an affected WebUI may be able to bypass authentication,...