{"id":"CVE-2025-55081","title":"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 \ncertain SSL/TLS client hello message: the ciphersuite length and \ncompression method…","summary":"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 \ncertain SSL/TLS client hello message: the ciphersuite length and \ncompression method…","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","cwe":["CWE-126","CWE-125"],"vendor":"eclipse","product":"threadx_netx_duo","affected":["threadx_netx_duo < 6.4.4.202503"],"patched":["threadx_netx_duo 6.4.4.202503"],"published":"2025-10-15","updated":"2026-10-08","sourceUpdated":"2026-10-08T12:10:00.217","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-55081","references":[{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-5vrv-8j5h-h6h6","label":"emo@eclipse.org"}],"tags":["nvd"],"epss":0.00369,"epssPercentile":0.28764,"ingestedAt":"2026-10-08T11:31:27.428Z","slug":"CVE-2025-55081","body":"## Overview\n\nIn Eclipse Foundation NextX Duo before 6.4.4, a module of ThreadX, the _nx_secure_tls_process_clienthello() function was missing length verification of \ncertain SSL/TLS client hello message: the ciphersuite length and \ncompression method length. In case of an attacker-crafted message with \nvalues outside of the expected range, it could cause an out-of-bound \nread.\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":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}