Out-of-bounds read in NetX Duo - CVE-2025-55093

 

Out-of-bounds read in NetX Duo - CVE-2025-55093

Published: October 20, 2025


Vulnerability identifier: #VU117366
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-55093
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Eclipse ThreadX
Affected software:
NetX Duo

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a boundary condition in the "_nx_ipv4_packet_receive()" function when handling unicast DHCP messages. A remote attacker can trigger an out-of-bounds read error and cause corruption of 4 bytes of memory.


How to mitigate CVE-2025-55093

Install updates from vendor's website.

Sources