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Status published
Medium
CVE-2021-38427
RTI Connext DDS Professional and Connext DDS Secure Stack-based Buffer Overflow
Vulnerability Description
RTI Connext DDS Professional and Connext DDS Secure Versions 4.2.x to 6.1.0 are vulnerable to a stack-based buffer overflow, which may allow a local attacker to execute arbitrary code.
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
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CVE-2025-4582
Buffer Over-read, Off-by-one Error vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation, Overread Buffers.
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CVE-2025-1255
Untrusted Pointer Dereference vulnerability in RTI Connext Professional (Core Libraries) allows Pointer Manipulation.
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CVE-2025-1254
Out-of-bounds Read, Out-of-bounds Write vulnerability in RTI Connext Professional (Recording Service) allows Overflow Buffers, Overread Buffers.
High
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Affected Vendor
Affected Software
Connext DDS Professional, Connext DDS Secure
Vulnerable Versions:
4.2x
Timeline
Official Publish:
May 5th, 2022
Last Modified:
April 16th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H