#VU125732 Heap-based buffer overflow in Fast DDS - CVE-2025-62601
Published: April 9, 2026
Vulnerability identifier: #VU125732
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-62601
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Fast DDS
Fast DDS
Software vendor:
eProsima
eProsima
Description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to a heap-based buffer overflow in CDRMessage::readString when parsing a manipulated DATA submessage in an SPDP packet. A remote attacker can send a specially crafted SPDP packet to cause a denial of service.
Only deployments with DDS Security enabled are vulnerable.
Remediation
Install security update from vendor's website.