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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| RDK | RDK-B WebUI | rdkb-2025q4-kirkstone | — |