{"id":"CVE-2025-55084","title":"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.","summary":"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.","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-126"],"vendor":"eclipse","product":"threadx_netx_duo","affected":["threadx_netx_duo < 6.4.4.202503"],"patched":["threadx_netx_duo 6.4.4.202503"],"published":"2025-10-16","updated":"2026-10-08","sourceUpdated":"2026-10-08T11:10:00.250","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-55084","references":[{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-m474-39rw-v8gm","label":"emo@eclipse.org"}],"tags":["nvd"],"epss":0.00331,"epssPercentile":0.2411,"ingestedAt":"2026-10-08T11:31:27.449Z","slug":"CVE-2025-55084","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `threadx_netx_duo < 6.4.4.202503`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `threadx_netx_duo 6.4.4.202503`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}