Out-of-bounds read in NetX Duo - CVE-2025-55086
Published: October 21, 2025
Vulnerability identifier: #VU117415
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-55086
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Eclipse ThreadX
Affected software:
NetX Duo
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 dhcpv6 client when extracting the server DUID from the server reply. A remote attacker can trigger an out-of-bounds read error to cause system instability and perform a denial of service (DoS) attack.
How to mitigate CVE-2025-55086
Install updates from vendor's website.