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CVE-2019-3922

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

9.8 Critical

CVE-2019-3922 is a critical vulnerability (CVSS 9.8) in Tenable Alcatel Lucent I-240w-q Gpon Ont, published March 5, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.24%, the 92nd percentile. No source names a fixed version.

What does this mean?
Severity
9.8 CriticalCVSS 3.1, NVD
Exploit chance
5.24%EPSS, 92nd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

5.24%Up 4.3 points since Apr 14, 2021
90%50%10%1%

Affected products

What each source reports

NVD Score used9.8

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.

Record
CVE-2019-3922
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-121, CWE-787
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2019-3922
Weakness
CWE-121
Updated
2026-11-02
EUVDEUVD-2019-13529No score

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.

Record
EUVD-2019-13529
Updated
2026-11-03
GitHub AdvisoriesGHSA-j9q7-p3q3-f2xh9.8

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

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.

Record
GHSA-j9q7-p3q3-f2xh
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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