Description
Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to icmp, tcp, snmp, dhcp, nat and ftp in RTOS v6.2.1 and below. The fixes have been included in NetX Duo release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| azure-rtos | netxduo | < 6.3.0 | — |
Advisories 2
- ICSA-25-226-25 Rockwell Automation Micro800 CISA ICS & IT advisories · Aug 14, 2025
- WID-SEC-2023-3053 Microsoft Azure RTOS NetX: Mehrere Schwachstellen ermöglichen Codeausführung BSI CERT-Bund (WID) · Dec 4, 2023