{"id":"CVE-2025-64129","aliases":["EUVD-2025-199737","GHSA-prm5-j94f-rr92"],"status":"published","title":"Zenitel TCIV-3+ Out-of-bounds Write","description":"Zenitel TCIV-3+ is vulnerable to an out-of-bounds write \nvulnerability, which could allow a remote attacker to crash the device.","severity":{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00468,"percentile":0.40809,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2025-11-26T17:54:07Z","modified":"2026-10-18T20:10:00Z","products":[{"vendor":"zenitel","product":"tciv-3+"}],"references":[{"url":"https://wiki.zenitel.com/wiki/Downloads#Station_and_Device_Firmware_Package_.28VS-IS.29"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-329-03"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-329-03.json"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64129"},{"url":"https://github.com/advisories/GHSA-prm5-j94f-rr92"}],"sources":{"cve":[{"id":"CVE-2025-64129","title":"Zenitel TCIV-3+ Out-of-bounds Write","description":"Zenitel TCIV-3+ is vulnerable to an out-of-bounds write \nvulnerability, which could allow a remote attacker to crash the device.","status":"published","published":"2025-11-26T17:54:07.7Z","modified":"2025-11-26T18:33:07.564Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:32:46.750177Z"}],"euvd":[{"id":"EUVD-2025-199737","description":"Zenitel TCIV-3+ is vulnerable to an out-of-bounds write \nvulnerability, which could allow a remote attacker to crash the device.","status":"published","published":"2025-11-26T17:54:07Z","modified":"2025-11-26T18:33:07Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:49:12.440244Z"}],"ghsa":[{"id":"GHSA-prm5-j94f-rr92","title":"Zenitel TCIV-3+ is vulnerable to an out-of-bounds write \nvulnerability, which could allow a...","description":"Zenitel TCIV-3+ is vulnerable to an out-of-bounds write \nvulnerability, which could allow a remote attacker to crash the device.","status":"published","published":"2025-11-26T18:31:04Z","modified":"2025-11-26T18:31:15Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/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":"high"},{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:04:58.071945Z"}],"nvd":[{"id":"CVE-2025-64129","description":"Zenitel TCIV-3+ is vulnerable to an out-of-bounds write \nvulnerability, which could allow a remote attacker to crash the device.","status":"published","published":"2025-11-26T18:15:49.827Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/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":"high","assessor":"secondary"},{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:11:46.94029Z"}]}}