CVE-2026-19509CWE-20

CVE-2026-19509

Medium · published August 20, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
22.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00307 · 22.3th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-08-20T00:17Z
References (2)
https://developer.rdkcentral.com/documentation/documentation/rdk_broadband_documentation/components/webui/ · [email protected]https://whitehats.pwr.edu.pl//blog/2026-08-19-multiple-vulnerabilities-in-rdkb/ · [email protected]
EPSS history
Timeline
  • 19 AUG 19:28Z
    RDK WebUI DOS vulnerability
    cvelistv5