CVE-2026-19508
UnknownSummary
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.
Risk Assessment
A remote unauthenticated attacker could take control of the system or cause a crash, posing a serious threat to integrity and availability.
Recommendation
Immediately update RDK-B WebUI to a patched version and restrict access to the web interface.
Original NVD description (English source)
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.