Out-of-bounds write in NetX Duo - CVE-2023-48316
Published: December 3, 2023 / Updated: November 9, 2026
Vulnerability identifier: #VU162952
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-48316
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an unauthenticated remote attacker to execute arbitrary code on a device running Azure RTOS NetX Duo.
The vulnerability exists due to an out-of-bounds write when affected NetX Duo network protocol handlers process network traffic. An unauthenticated remote attacker can send malicious traffic to an affected protocol handler and trigger a memory overflow without requiring user interaction.
Affected software
NetX Duo
How to mitigate CVE-2023-48316
Install security update from vendor's website.
NetX Duo - update to 6.3.0