HOMEVULNERABILITIESCVE-2017-18867
MEDIUM

CVE-2017-18867

CWE-20Published: May 5, 2020· Updated: Jun 17, 2026

6.8
CVSS v3.1

Official Description

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D6100 before 1.0.0.55, D7800 before V1.0.1.24, R7100LG before V1.0.0.32, WNDR4300v1 before 1.0.2.90, and WNDR4500v3 before 1.0.0.48.

NVD Source

Technical Analysis

CVE-2017-18867 requires local access, meaning attackers must already have a foothold on the target system.

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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

netgear10 product(s)
d6100 firmwared6100d7800 firmwared7800r7100lg firmwarer7100lgwndr4300 firmwarewndr4300wndr4500 firmwarewndr4500
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://kb.netgear.com/000049554/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-and-Gateways-PSV-2017-2198
ADVISORYhttps://kb.netgear.com/000049554/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-and-Gateways-PSV-2017-2198

All References (2)

→
https://kb.netgear.com/000049554/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-and-Gateways-PSV-2017-2198Vendor Advisory
→
https://kb.netgear.com/000049554/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-and-Gateways-PSV-2017-2198Vendor Advisory

Quick Facts

CVE IDCVE-2017-18867
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedMay 5, 2020

Related CVEs (CWE-20)

CVE-2007-6494
10.0
CVE-2008-6826
10.0
CVE-2020-13753
10.0
CVE-2020-6962
10.0
CVE-2021-21321
10.0
CVE-2008-1331
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-18867 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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