{"id":"CVE-2019-3921","aliases":["EUVD-2019-13528","GHSA-c4vw-m533-crpc"],"status":"published","title":"The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a...","description":"The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to /GponForm/usb_Form?script/. An attacker can leverage this vulnerability to potentially execute arbitrary code.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.17891,"percentile":0.97197,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2019-03-05T21:00:00Z","modified":"2026-06-17T02:35:52Z","exploits":[{"source":"exploitdb","id":"EDB-46469","title":"Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow","type":"remote","platform":"hardware","date":"2019-02-28","url":"https://www.exploit-db.com/exploits/46469"}],"products":[{"vendor":"nokia","product":"i-240w-q_gpon_ont_firmware"},{"vendor":"tenable","product":"alcatel lucent i-240w-q gpon ont"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2019-09","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/46469/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-3921"},{"url":"https://github.com/advisories/GHSA-c4vw-m533-crpc"}],"sources":{"cve":[{"id":"CVE-2019-3921","description":"The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to /GponForm/usb_Form?script/. An attacker can leverage this vulnerability to potentially execute arbitrary code.","status":"published","published":"2019-03-05T21:00:00Z","modified":"2024-09-17T04:19:39.718Z","cwes":["CWE-121"],"updated_at":"2026-11-02T14:20:22.701371Z"}],"euvd":[{"id":"EUVD-2019-13528","description":"The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to /GponForm/usb_Form?script/. An attacker can leverage this vulnerability to potentially execute arbitrary code.","status":"published","published":"2019-03-05T21:00:00Z","modified":"2024-09-17T04:19:39Z","updated_at":"2026-11-03T00:28:23.906788Z"}],"ghsa":[{"id":"GHSA-c4vw-m533-crpc","title":"The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a...","description":"The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to /GponForm/usb_Form?script/. An attacker can leverage this vulnerability to potentially execute arbitrary code.","status":"published","published":"2022-05-13T01:14:28Z","modified":"2023-02-01T05:04:24Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:09.415947Z"}],"nvd":[{"id":"CVE-2019-3921","description":"The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to /GponForm/usb_Form?script/. An attacker can leverage this vulnerability to potentially execute arbitrary code.","status":"published","published":"2019-03-05T21:29:00.447Z","modified":"2026-06-17T02:35:52.02Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:05:07.268578Z"}]}}