CVE-2017-6862: NETGEAR Multiple Devices Buffer Overflow Vulnerability

Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-d23717f92d05, updated 2026-11-02T23:39:54.475Z.

CISA Known Exploited Vulnerabilities

Name: NETGEAR Multiple Devices Buffer Overflow Vulnerability
Vendor: NETGEAR
Product: Multiple Devices
Added to the catalog: 2022-06-08
Due date for US federal agencies: 2022-06-22
Weaknesses: CWE-119
Catalog version: 2026.10.30

Multiple NETGEAR devices contain a buffer overflow vulnerability that allows for authentication bypass and remote code execution.

Required action (CISA)

Apply updates per vendor instructions.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

https://nvd.nist.gov/vuln/detail/CVE-2017-6862

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status: Analyzed
Published: 2017-05-26T20:29:00.177
Last modified: 2026-06-17T01:23:13.937
Weaknesses: CWE-120

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.

Metric	Score	Severity	Vector	Scored by
CVSS 3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	[email protected] (Primary)
CVSS 3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
CVSS 2.0	7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	[email protected] (Primary)

References

http://www.securityfocus.com/bid/98740 (Broken Link, Third Party Advisory, VDB Entry)
https://kb.netgear.com/000038542/Security-Advisory-for-Unauthenticated-Remote-Code-Execution-on-Some-Routers-PSV-2016-0261 (Vendor Advisory)
https://www.on-x.com/sites/default/files/on-x_-_security_advisory_-_netgear_wnr2000v5_-_cve-2017-6862.pdf (Broken Link)
http://www.securityfocus.com/bid/98740 (Broken Link, Third Party Advisory, VDB Entry)
https://kb.netgear.com/000038542/Security-Advisory-for-Unauthenticated-Remote-Code-Execution-on-Some-Routers-PSV-2016-0261 (Vendor Advisory)
https://www.on-x.com/sites/default/files/on-x_-_security_advisory_-_netgear_wnr2000v5_-_cve-2017-6862.pdf (Broken Link)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6862 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:41:35.381Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2017-6862

CVE record

Assigner: netgear
State: PUBLISHED
Published: 2017-05-26T20:00:00.000Z
Updated: 2025-10-21T23:55:40.404Z
Problem types: Unauthenticated Remote Code Execution

References

Read on 2026-11-03T00:35:30.865Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2017/6xxx/CVE-2017-6862.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Harden: Trusted Library (acts on Subroutine)
Harden: Domain Logic Validation (acts on Subroutine)
Harden: Credential Scrubbing (acts on Subroutine)
Model: Asset Vulnerability Enumeration (acts on Software)
Model: Software Inventory (acts on Software)
Isolate: Application-based Process Isolation (acts on Subroutine)
Restore: Restore Software (acts on Software)
Harden: Variable Initialization (acts on Subroutine)
Harden: Software Update (acts on Software)

D3FEND ontology version 1.6.0.

Read on 2026-11-02T23:54:40.503Z under licence d3fend-terms-of-use@f98cbc7e from https://d3fend.mitre.org/api/weakness/cwe/CWE-120.json

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Sources and licences

CISA
Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.
CC0 1.0 Universal
National Vulnerability Database (NIST)
This product uses the NVD API but is not endorsed or certified by the NVD.
NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)
CVE Program, The MITRE Corporation
Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation. CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
CVE Program Terms of Use ("CVE Usage" licence)
MITRE D3FEND
MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/
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Cite this page

Dragons Eye Ransomware Tracker, "CVE-2017-6862: NETGEAR Multiple Devices Buffer Overflow Vulnerability",
entity page, dataset version ref-d23717f92d05, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2017-6862 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-06-17T01:23:13.937.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2025-10-21T23:55:40.404Z.
Underlying source: MITRE D3FEND, ontology version 1.6.0.

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CISA KEV index