← Vulnerability feed

Vulnerability record · CVE-2019-3917 · published 5 March 2019

CVE-2019-3917: Nokia i-240w-q gpon ont firmware missing authentication for critical function vulnerability

Nokia · I 240w Q Gpon Ont Firmware

The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 allows a remote, unauthenticated attacker to enable telnetd on the router via a crafted HTTP request.

7.5 CVSS 3.1 High EPSS 2.4% · top 17.0% CWE-306 · Missing authentication for critical functionCWE-425 · CWE-425
7.5CVSS 3.1 base score, v2 5.0
2.4%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 allows a remote, unauthenticated attacker to enable telnetd on the router via a crafted HTTP request.

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

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

Track CVE-2019-3917 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

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%9.8CVE-2019-3922Nokia 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 5.2%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%8.8CVE-2026-67277MikroTik RouterOS btest missing authentication leaks kernel memory and crashes kernelRouterOS accepts a "related" btest connection before the primary session is authenticated, letting an unauthenticated client start an IPv4 UDP test. …KEVEPSS 1.6%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed9.3CVE-2026-72529TrueConf Server missing authentication allows remote script executionTrueConf Server versions 5.3.X through 5.3.9, 5.4.X through 5.4.9, 5.5.X through 5.5.5, and earlier expose an undocumented function on port 4307/TCP …KEVEPSS 1.5%analysed

Source: NIST National Vulnerability Database (record CVE-2019-3917), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.