CVE-2019-3922

9.8 criticalEPSS 5.2%

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 5.2% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-121
Published: 2019-03-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nokia:i-240w-q_gpon_ont_firmware

References

https://www.tenable.com/security/research/tra-2019-09
https://www.tenable.com/security/research/tra-2019-09

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