Back

CVE-2019-3922

CRITICAL

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, unauthenticated attacker to /GponForm/fsetup_Form. An attacker can leverage this vulnerability to potentially execute arbitrary code.

Published: Mar 5, 2019 Modified: Jun 17, 2026
CWE-121 CWE-787

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (1)

Vendor Product Version
nokia i-240w-q_gpon_ont_firmware 3fe54567bozj19

GitHub Security Advisory GHSA-j9q7-p3q3-f2xh

The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a...

References (2)

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 5.24%

Top 8% most likely to be exploited

Threat Score 40.8 / 100

Data Sources

NVD EPSS GitHub