CVE-2025-55084

MEDIUMNVD 5.35.3—Trending — 3 sources updated this week

5.3

In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX, there was an incorrect bound check in_nx_secure_tls_proc_clienthello_supported_versions_extension() in the extension version field.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 12.4%
KEV: Not listed

Published

October 16, 2025

Last Modified

October 21, 2025

References (1)

emo@eclipsehttps://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-m474-39rw-v8gm

Weakness Classification(1)

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

CWE-126Buffer Over-read

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 20:12 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 20:39 UTCEG score recompute
2026-05-29 19:20 UTCOSV refresh
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-55084?

CVE-2025-55084 is a medium vulnerability published on October 16, 2025. In NetX Duo version before 6.4.4, the component of Eclipse Foundation ThreadX, there was an incorrect bound check innxsecuretlsprocclienthellosupportedversionsextension() in the extension version field.

When was CVE-2025-55084 disclosed?

CVE-2025-55084 was first published in the National Vulnerability Database on October 16, 2025, with the most recent update on October 21, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-55084 actively exploited?

CVE-2025-55084 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-55084?

CVE-2025-55084 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2025-55084?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-55084, 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-2025-55084

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-55084?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)