CVE-2026-19508

Summary

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.

Affected Software

VendorProductVersion RangeStatus
RDKRDK-B WebUIrdkb-2025q4-kirkstoneaffected

Weaknesses

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References