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TI-2023-26531 Aliases CVE-2023-48692

Azure RTOS NetX Duo Remote Code Execution Vulnerability

Priority MEDIUM 48CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.03109 87th percentileScored 2026-11-07
Fix Fixed netxduo (azure-rtos): 6.3.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
azure-rtosnetxduobefore 6.3.06.3.0Patch availableCNA
  • netxduo Vendorazure-rtos Affected before 6.3.0 Fixed in 6.3.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:azure_rtos_netx_duo:*:*:*:*:*:*:*:*before 6.3.0VulnerableMicrosoft
  • cpe:2.3:o:microsoft:azure_rtos_netx_duo:*:*:*:*:*:*:*:* Versions before 6.3.0 Vulnerable ·Microsoft

Remediation

  • Fix · CNA netxduo (azure-rtos) Fixed in 6.3.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-48692

References

Advisory 1

  • TI-2023-26179 Azure RTOS NetX Duo Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2023-26178 Azure RTOS NetX Duo Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2023-26530 Azure RTOS NetX Duo Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences