{"id":"CVE-2025-55081","aliases":["EUVD-2025-34608","GHSA-5vrv-8j5h-h6h6"],"status":"published","title":"Potential out of bound read in _nx_secure_tls_process_clienthello()","description":"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 length. In case of an attacker-crafted message with \nvalues outside of the expected range, it could cause an out-of-bound \nread.","severity":{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00369,"percentile":0.31256,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-126"],"published":"2025-10-15T10:46:05Z","modified":"2026-10-28T02:31:11Z","products":[{"vendor":"eclipse","product":"threadx_netx_duo"},{"vendor":"eclipse foundation","product":"netx duo"}],"references":[{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-5vrv-8j5h-h6h6","tags":["Vendor Advisory","advisory"]},{"url":"https://github.com/eclipse-threadx/netxduo/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55081.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55081","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-55081","title":"Potential out of bound read in _nx_secure_tls_process_clienthello()","description":"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 length. In case of an attacker-crafted message with \nvalues outside of the expected range, it could cause an out-of-bound \nread.","status":"published","published":"2025-10-15T10:46:05.076Z","modified":"2025-10-15T13:14:49.223Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T14:32:52.839698Z"}],"euvd":[{"id":"EUVD-2025-34608","description":"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 length. In case of an attacker-crafted message with \nvalues outside of the expected range, it could cause an out-of-bound \nread.","status":"published","published":"2025-10-15T10:46:05Z","modified":"2025-10-15T13:14:49Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T20:31:31.584227Z"}],"nvd":[{"id":"CVE-2025-55081","description":"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 length. In case of an attacker-crafted message with \nvalues outside of the expected range, it could cause an out-of-bound \nread.","status":"published","published":"2025-10-15T11:15:39.063Z","modified":"2026-10-08T12:10:00.217Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-126","CWE-125"],"updated_at":"2026-11-02T14:11:38.17237Z"}],"osv":[{"id":"CVE-2025-55081","title":"Potential out of bound read in _nx_secure_tls_process_clienthello()","description":"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 length. In case of an attacker-crafted message with \nvalues outside of the expected range, it could cause an out-of-bound \nread.","status":"published","published":"2025-10-15T10:46:05.076Z","modified":"2026-10-28T02:31:11.645697841Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T15:44:50.863921Z"}]}}