CVE-2021-38425 - CVE House
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Status published High CVE-2021-38425

eProsima Fast DDS Network Amplification

Vulnerability Description

eProsima Fast DDS versions prior to 2.4.0 (#2269) are susceptible to exploitation when an attacker sends a specially crafted packet to flood a target device with unwanted traffic, which may result in a denial-of-service condition and information exposure.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Federico Maggi (Trend Micro Research), Ta-Lun Yen, and Chizuru Toyama (TXOne Networks, Trend Micro) reported these vulnerabilities to CISA. In addition, Patrick Kuo, Mars Cheng (TXOne Networks, Trend Micro), Víctor Mayoral-Vilches (Alias Robotics), and Erik Boasson (ADLINK Technology) also contributed to this research.

References

More from eProsima

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CVE-2025-64438
Fast-DDS: Unbounded GAP range triggers OOM DoS under RELIABLE QoS
Low 1.7
CVE-2025-64098
FastDDS has Out-of-memory in readOctetVector via Manipulated DATA Submessage when DDS Security is enabled
Low 1.7
CVE-2025-62799
FastDDS's heap buffer overflow in RTPS DATA_FRAG enables unauthenticated DoS (potential RCE)
High 7.2
CVE-2025-62603
FastDDS has Out-of-memory while parsing GenericMessage when DDS Security is enabled
Low 1.7
CVE-2025-62602
FastDDS has heap buffer overflow in readData via Manipulated DATA Submessage when DDS Security is enabled
Low 1.7

Affected Vendor

Affected Software

Fast DDS
Vulnerable Versions:
unspecified

Timeline

Official Publish: May 5th, 2022
Last Modified: April 16th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-406

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.