Improper Validation of Certificate Expiration in Fast DDS - CVE-2025-67108
Published: November 9, 2026
Vulnerability identifier: #VU162810
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-67108
CWE-ID: CWE-298
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an authenticated remote attacker to continue communicating with Fast DDS participants after their certificate expires, bypassing certificate-based access controls.
The vulnerability exists due to Fast DDS validating certificate expiration only during the initial handshake and not rechecking established connections. An authenticated remote attacker can establish a connection using a short-term valid certificate and retain access after its validity period ends.
Affected software
Fast DDS
How to mitigate CVE-2025-67108
Install security update from vendor's website.
Fast DDS - addressed in versions 2.6.12, 2.14.7, 3.2.5