Is CVE-2017-18862 actively exploited?

No active exploitation of CVE-2017-18862 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-18862 be exploited remotely?

Partially. CVE-2017-18862 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2017-18862?

CVE-2017-18862 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2017-18862

CWE-287Published: April 28, 2020· Updated: Jun 17, 2026

6.5

CVSS v3.1

Official Description

Certain NETGEAR devices are affected by authentication bypass. This affects JGS516PE before 2017-05-11, JGS524Ev2 before 2017-05-11, JGS524PE before 2017-05-11, GS105Ev2 before 2017-05-11, GS105PE before 2017-05-11, GS108Ev3 before 2017-05-11, GS108PEv3 before 2017-05-11, GS116Ev2 before 2017-05-11, GSS108E before 2017-05-11, GSS116E before 2017-05-11, XS708Ev2 before 2017-05-11, and XS716E before 2017-05-11.

NVD Source

Technical Analysis

CVE-2017-18862 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

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 complete confidentiality breach (data exposure), with a CVSS base score of 6.5.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.