CVE-2023-48316

Name: CVE-2023-48316
Creator: NVD / NIST
Published: 2023-12-05T01:15:07.503+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.33%

Last modified Jun 17, 2026

CVE-2023-48316 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 4.33% chance of exploitation in the next 30 days.

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 snmp, smtp, ftp and dtls 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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.33%

90.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Microsoft	Azure Rtos Netx Duo	< 6.3.0

References

https://github.com/azure-rtos/netxduo/security/advisories/GHSA-3cmf-r288-xhwqThird Party Advisory
https://github.com/azure-rtos/netxduo/security/advisories/GHSA-3cmf-r288-xhwqThird Party Advisory

Timeline

Published: Dec 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-48316?

How severe is CVE-2023-48316?

CVE-2023-48316 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.33% probability of exploitation in the next 30 days.

How do I fix CVE-2023-48316?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-48316?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST