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CVE-2017-6862

9.8, critical Known exploited

NETGEAR Multiple Devices Buffer Overflow Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
46% higher than 98.7% of scored CVEs
Exploitation
Confirmed in the wild
Published
26 May 20179 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 8 Jun 2022. US federal agencies had to remediate by 22 Jun 2022, a deadline that has passed.

Required action. Apply updates per vendor instructions.

Description

NETGEAR WNR2000v3 devices before 1.1.2.14, WNR2000v4 devices before 1.0.0.66, and WNR2000v5 devices before 1.0.0.42 allow authentication bypass and remote code execution via a buffer overflow that uses a parameter in the administration webapp. The NETGEAR ID is PSV-2016-0261.

Details

Vendor
NETGEAR
Product
NETGEAR All versions prior to WNR2000v3 1.1.2.14, WNR2000v4 1.0.0.66, WNR2000v5 1.0.0.42
Weakness
CWE-120 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
a2826606-91e7-4eb6-899e-8484bd4575d5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References 4

Advisories 3

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other NETGEAR CVEs

Every NETGEAR CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2020-26919 Netgear JGS516PE Devices Missing Function Level Access Control Vulnerability KEV EPSS 57% 9.8, critical
  • CVE-2016-1555 NETGEAR Multiple WAP Devices Command Injection Vulnerability KEV EPSS 98% 9.8, critical
  • CVE-2017-6334 NETGEAR DGN2200 Devices OS Command Injection Vulnerability KEV EPSS 73% 8.8, high
  • CVE-2017-6077 NETGEAR DGN2200 Remote Code Execution Vulnerability KEV EPSS 69% 9.8, critical
  • CVE-2016-10174 NETGEAR WNR2000v5 Router Buffer Overflow Vulnerability KEV EPSS 83% 9.8, critical
  • CVE-2017-5521 NETGEAR Multiple Devices Exposure of Sensitive Information Vulnerability KEV EPSS 89% 8.1, high
  • CVE-2016-6277 NETGEAR Multiple Routers Remote Code Execution Vulnerability KEV EPSS 100% 8.8, high

Beyond this page

Is CVE-2017-6862 in your network?

This page tells you how dangerous CVE-2017-6862 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2017-6862 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2017-6862 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.