What’s Vulnerable › Vulnerabilities
CVE-2025-55084: Out of bound read in _nx_secure_tls_proc_clienthello_supported_versions_extension()
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-10-16 · updated 2026-10-08
- Weakness: CWE-126
Description
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.
Affected products
- Eclipse Foundation NetX Duo: before 6.4.4.202503 — fixed in 6.4.4.202503
How to fix
Upgrade to a fixed version: Eclipse Foundation NetX Duo 6.4.4.202503. Check the vendor advisory for mitigations.
References
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