CVE-2023-48315

9.8 criticalEPSS 3.9%

Critical (9.8) in microsoft azure rtos netx duo. EPSS 3.9% chance of exploitation in the next 30 days.

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 ftp and sntp 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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 3.9% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-825
Published: 2023-12-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

microsoft:azure_rtos_netx_duo

References

https://github.com/azure-rtos/netxduo/security/advisories/GHSA-rj6h-jjg2-7gf3
https://github.com/azure-rtos/netxduo/security/advisories/GHSA-rj6h-jjg2-7gf3

Check your stack JSON