Cyber Resilience

CVE-2025-55081

Medium

Published: 15 October 2025

Published
15 October 2025
Modified
27 October 2025
KEV Added
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Patch
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CVSS Score v4 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0007 21.5th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-55081 is a medium-severity Buffer Over-read (CWE-126) vulnerability in Eclipse Threadx Netx Duo. Its CVSS base score is 6.9 (Medium).

Operationally, ranked at the 21.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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 length. In case of an attacker-crafted message with values outside…

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of the expected range, it could cause an out-of-bound read.

CWE(s)
CWE-126CWE-125

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

eclipse
threadx netx duo
≤ 6.4.4.202503

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References