CVE-2025-55084

Out of bound read in _nx_secure_tls_proc_clienthello_supported_versions_extension()

CVSS 6.9 MEDIUMEPSS 0.3%CWE-126

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.9EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

16 Oct 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Affected products

Eclipse Foundation · NetX Duo

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References

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