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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2026-19505

RDK-B WebUI improper cryptographic signature verification vulnerability

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
certcc

Description

Improper cryptographic signature verification in `jst_functions.c` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows a remote attacker to bypass authentication and obtain administrative access via a forged JWT containing an invalid RSA signature.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

RDK RDK-B WebUI

  • rdkb-2025q4-kirkstoneaffected

References