VULNERABILITY INTELLIGENCE
CVE-2026-19508
CVSS score9.8 CRITICAL
EPSS probability0.98%
CISA KEVNot currently listed
Published2026-08-19
Last modified2026-09-03
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
Heap-based buffer overflow in the multipart form-data parser in `jst_post.c` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows a remote unauthenticated attacker to cause memory corruption and denial of service, and potentially execute arbitrary code, via a crafted multipart/form-data request.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-119