CVE-2019-3921 describes a stack buffer overflow vulnerability in the Alcatel Lucent I-240W-Q GPON ONT, specifically firmware version 3FE54567BOZJ19. A remote, authenticated attacker can trigger this flaw by sending a crafted HTTP POST request to /GponForm/usb_Form?script/, potentially leading to arbitrary code execution. With a CVSS score of 8.8 (HIGH), this vulnerability has a network attack vector, low attack complexity, and high impacts on confidentiality, integrity, and availability. While not listed on the KEV catalog or Hot List, an exploit (EDB-46469) is publicly available, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3fe54567bozj19CPE matchmatch criteria | cpe:2.3:o:nokia:i-240w-q_gpon_ont_firmware:3fe54567bozj19:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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