PT-2026-78639 · Rdk · Rdk-B Webui

CVE-2026-19508

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Published

2026-08-19

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Updated

2026-08-19

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.

Fix

Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-19508

Affected Products

Rdk-B Webui