Is CVE-2019-5054 actively exploited?

No active exploitation of CVE-2019-5054 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-5054 be exploited remotely?

Yes. CVE-2019-5054 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-5054?

CVE-2019-5054 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2019-5054

CWE-476Published: September 11, 2019· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

An exploitable denial-of-service vulnerability exists in the session handling functionality of the NETGEAR N300 (WNR2000v5 with Firmware Version V1.0.0.70) HTTP server. An HTTP request with an empty User-Agent string sent to a page requiring authentication can cause a null pointer dereference, resulting in the HTTP service crashing. An unauthenticated attacker can send a specially crafted HTTP request to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2019-5054 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.