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HIGH

CVE-2019-3917

CVSS v3

7.5

HIGH

EPSS Score

2.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2019-03-05

Frequently asked questions

What is CVE-2019-3917?

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.

Is CVE-2019-3917 actively exploited?

Active exploitation of CVE-2019-3917 has not been confirmed. Its EPSS score was 2.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-3917?

CVE-2019-3917 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2019-3917 affecting your environment?

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