What is CVE-2025-55081?

CVE-2025-55081 is a critical-severity vulnerability in Eclipse Threadx_netx_duo, classified under Buffer Over-read. CVSS score: 9.1/10. Published 2025-10-15.

How severe is CVE-2025-55081?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Out-of-bounds Read in Eclipse Threadx_netx_duo

CVE-2025-55081

In Eclipse Foundation NextX Duo before 6.4.4, a module of ThreadX, the _nx_secure_tls_process_clienthello() function was missing length verification of certain SSL/TLS client hello message: the ciphersuite length and compression method l…

EPSS: 0.003 (25.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Eclipse Threadx_netx_duo
Eclipse Foundation Netx Duo — versions 0

Weakness classification (CWE)

CWE-126 — Buffer Over-read
CWE-125 — Out-of-bounds Read

References

emo@eclipse.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-55081?: CVE-2025-55081 is a critical-severity vulnerability in Eclipse Threadx_netx_duo, classified under Buffer Over-read. CVSS score: 9.1/10. Published 2025-10-15.
How severe is CVE-2025-55081?: Critical severity. CVSS v3 base score is 9.1 out of 10.