CVE-2025-67109

CRITICALNVD 10.010.0—Trending — 3 sources updated this week

10.0

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 v3: 10.0
EG Score: 10.0(medium)
EPSS: 33.8%
KEV: Not listed

Published

December 23, 2025

Last Modified

January 6, 2026

Advisory Details (4)

Auto-updated May 29, 2026

No patch confirmed yet. Sources: github.

github

cyclonedds/src/security/builtin_plugins/authentication/src/auth_utils.c at master · eclipse-cyclonedds/cyclonedds · GitHub

https://github.com/eclipse-cyclonedds/cyclonedds/blob/master/src/security/builtin_plugins/authentication/src/auth_utils.c#L84

generic

cyclonedds/src/ddsrt/src/time/posix/time.c at master · eclipse-cyclonedds/cyclonedds · GitHub

https://github.com/eclipse-cyclonedds/cyclonedds/blob/master/src/ddsrt/src/time/posix/time.c#L28

generic

gist:669e15bc7e6194133e4ee1026ce157e6 · GitHub

https://gist.github.com/lkloliver/669e15bc7e6194133e4ee1026ce157e6

generic

Eclipse.com - Premium Domain

http://eclipse.com

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-298Improper Validation of Certificate Expiration

Data Freshness Timeline

(refreshed 11× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:13 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 17:05 UTCEG score recompute
2026-05-29 17:05 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-67109?

CVE-2025-67109 is a critical vulnerability published on December 23, 2025. 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.

When was CVE-2025-67109 disclosed?

CVE-2025-67109 was first published in the National Vulnerability Database on December 23, 2025, with the most recent update on January 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-67109 actively exploited?

CVE-2025-67109 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 33.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-67109?

CVE-2025-67109 has a CVSS v3 base score of 10.0 (NVD).

How do I remediate CVE-2025-67109?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-67109, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-67109

📅 Published

🔄 Last Modified

📋 Advisory Details (4)

cyclonedds/src/security/builtin_plugins/authentication/src/auth_utils.c at master · eclipse-cyclonedds/cyclonedds · GitHub

cyclonedds/src/ddsrt/src/time/posix/time.c at master · eclipse-cyclonedds/cyclonedds · GitHub

gist:669e15bc7e6194133e4ee1026ce157e6 · GitHub

Eclipse.com - Premium Domain

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-67109?

Published

Last Modified

Advisory Details (4)

Frequently asked(5)