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Vulnerability record · CVE-2025-67109 · published 23 December 2025

CVE-2025-67109: Eclipse cyclone data distribution service vulnerability

Eclipse · Cyclone Data Distribution Service

Improper verification of the time certificate in Eclipse Cyclone DDS before v0.10.5 allows attackers to bypass certificate checks and execute commands with System privileges.

10.0 CVSS 3.1 Critical EPSS 0.33% · top 76.4% CWE-298 · CWE-298
10.0CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
5 Jul 2026Last modified by NVD

Description

Improper verification of the time certificate in Eclipse Cyclone DDS before v0.10.5 allows attackers to bypass certificate checks and execute commands with System privileges.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/lkloliver/669e15bc7e6194133e4ee1026ce157e6 Third Party Advisory
https://github.com/eclipse-cyclonedds/cyclonedds/blob/master/src/ddsrt/src/time/posix/time.c#L28 Product
https://github.com/eclipse-cyclonedds/cyclonedds/blob/master/src/security/builtin_plugins/authentication/src/auth_utils. Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2024-10838Eclipse cyclone data distribution service vulnerabilityAn integer underflow during deserialization may allow any unauthenticated user to read out of bounds heap memory. This may result into secret data or…EPSS 0.93%7.5CVE-2020-18734Eclipse cyclone data distribution service out-of-bounds write vulnerabilityA stack buffer overflow in /ddsi/q_bitset.h of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.EPSS 1.9%7.5CVE-2020-18735Eclipse cyclone data distribution service out-of-bounds write vulnerabilityA heap buffer overflow in /src/dds_stream.c of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.EPSS 1.9%

Source: NIST National Vulnerability Database (record CVE-2025-67109), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.