CVE-2019-3917 Missing authorization in Alcatel Lucent I-240W-Q GPON ONT

High 7.5 Published 5 Mar 2019 Updated 16 Sep 2024

Remote unauthenticated attackers can enable telnetd on Alcatel Lucent I-240W-Q GPON ONT devices via crafted HTTP requests, gaining privileged access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-3917?

CVE-2019-3917 is a high-severity missing authorization vulnerability in Tenable Alcatel Lucent I-240W-Q GPON ONT, published on 5 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-425, CWE-306

Which versions are affected by CVE-2019-3917?

It affects 1 product.

Products include Nokia I-240w-Q Gpon Ont Firmware.

How do I fix CVE-2019-3917?

No fix has been published for CVE-2019-3917 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-3917 being exploited?

There is no known exploitation of CVE-2019-3917 in the wild and no public exploit code.

Sources

Also known as GHSA-73qj-jvv4-77jq.