Critical severity9.8NVD Advisory· Published Aug 19, 2026· Updated Sep 3, 2026
CVE-2026-19508
CVE-2026-19508
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: rdkb-2025q4-kirkstone.04.10.26
Patches
Vulnerability mechanics
References
2News mentions
1- ⚡ Weekly Recap: AI-Powered PLC Attacks, GitLab Attacks, Stripe Key Leaks and MoreThe Hacker News · Aug 24, 2026