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Vulnerability record · CVE-2019-3922 · published 5 March 2019

CVE-2019-3922: Nokia i-240w-q gpon ont firmware stack-based buffer overflow vulnerability

Nokia · I 240w Q Gpon Ont Firmware

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.

9.8 CVSS 3.1 Critical EPSS 5.2% · top 7.8% CWE-121 · Stack-based buffer overflowCWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score, v2 7.5
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tenable.com/security/research/tra-2019-09 ExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2019-09 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-3918Nokia i-240w-q gpon ont firmware hard-coded credentials vulnerabilityThe Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 contains multiple hard coded credentials for the Telnet and SSH interfaces.EPSS 2.0%8.8CVE-2019-3919Nokia i-240w-q gpon ont firmware os command injection vulnerabilityThe Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to command injection via crafted HTTP request sent by a remo…EPSS 3.9%8.8CVE-2019-3920Nokia i-240w-q gpon ont firmware os command injection vulnerabilityThe Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to authenticated command injection via crafted HTTP request …EPSS 3.9%8.8CVE-2019-3921Nokia i-240w-q gpon ont firmware stack-based buffer overflow vulnerabilityThe Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sen…EPSS 18%7.5CVE-2019-3917Nokia i-240w-q gpon ont firmware missing authentication for critical function vulnerabilityThe Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 allows a remote, unauthenticated attacker to enable telnetd on the router …EPSS 2.4%8.8CVE-2026-7273Zyxel gs1900-8 firmware stack-based buffer overflow vulnerabilityA stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-base…KEVEPSS 2.5%8.1CVE-2021-27137DD-WRT UPnP M-SEARCH stack buffer overflowDD-WRT before 45724 contains an unsafe strcpy in the UPnP SSDP handling code (ssdp_msearch), reachable via an M-SEARCH request, that overflows a fixe…KEVEPSS 4.0%analysed9.3CVE-2025-53521F5 BIG-IP APM stack buffer overflow allows remote code executionA stack-based buffer overflow (CWE-121) exists in F5 BIG-IP Access Policy Manager when an APM access policy is configured on a virtual server. Specif…KEVEPSS 2.3%analysed

Source: NIST National Vulnerability Database (record CVE-2019-3922), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.