What is CVE-2019-3922?

CVE-2019-3922 is a critical-severity vulnerability in Nokia I-240w-Q Gpon Ont, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-03-05.

How severe is CVE-2019-3922?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Nokia I-240w-Q Gpon Ont

CVE-2019-3922

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.

Vulnerability class: Buffer Overflow

Published 2019-03-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.052 (92.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.052 · newest: 0.052 · change: 0.000

Affected products

Nokia I-240w-Q Gpon Ont
Nokia I-240w-Q Gpon Ont Firmware — versions 3fe54567bozj19
Tenable Alcatel Lucent I-240w-Q Gpon Ont — versions Firmware version 3FE54567BOZJ19

Weakness classification (CWE)

References

www.tenable.com/security/research/tra-2019-09 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-3922?: CVE-2019-3922 is a critical-severity vulnerability in Nokia I-240w-Q Gpon Ont, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2019-03-05.
How severe is CVE-2019-3922?: Critical severity. CVSS v3 base score is 9.8 out of 10.