What is CVE-2019-3917?

CVE-2019-3917 is a high-severity vulnerability in Nokia I-240w-Q Gpon Ont, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2019-03-05.

How severe is CVE-2019-3917?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Nokia I-240w-Q Gpon Ont

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.

Vulnerability class: Broken Authentication

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.024 (83.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · 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-2019-3917?: CVE-2019-3917 is a high-severity vulnerability in Nokia I-240w-Q Gpon Ont, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2019-03-05.
How severe is CVE-2019-3917?: High severity. CVSS v3 base score is 7.5 out of 10.