CVE-2026-41429

CVE-2026-41429 affects the arduino-esp32 core (ESP32/ESP32-S2/ESP32-S3/ESP32-C3/ESP32-C6/ESP32-H2). The issue is a memory corruption in NBNS packet handling when NetBIOS is enabled via NBNS.begin(...); the code path listens on UDP port 137 and processes untrusted NBNS requests. The request parser...