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.
Metrics
Affected Vendors & Products
References
History
Thu, 27 Aug 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-287 |
Thu, 27 Aug 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-347 | |
| Metrics |
cvssV3_1
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Thu, 20 Aug 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-287 |
Thu, 20 Aug 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-287 |
Thu, 20 Aug 2026 09:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Rdk
Rdk rdk-b Webui |
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| Vendors & Products |
Rdk
Rdk rdk-b Webui |
Wed, 19 Aug 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-287 |
Wed, 19 Aug 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | RDK-B WebUI improper cryptographic signature verification vulnerability | |
| References |
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Status: PUBLISHED
Assigner: certcc
Published: 2026-08-19T19:27:40.654Z
Updated: 2026-08-27T16:10:08.424Z
Reserved: 2026-08-10T19:13:26.432Z
Link: CVE-2026-19505
Updated: 2026-08-27T16:09:37.728Z
Status : Awaiting Analysis
Published: 2026-08-19T20:17:14.150
Modified: 2026-09-03T17:42:23.907
Link: CVE-2026-19505
No data.