CVE-2017-18765

Adjacent-network service interruption

Published Apr 22, 2020 · Updated Aug 5, 2024

Denial of service in seven NETGEAR router models allows remote attackers on the local network to interrupt routing service. NETGEAR has not published the affected component, crafted input, or fault that causes the interruption. No authentication or user interaction is required, but local-network access is; affected releases are R6300v2 before 1.0.4.8, R6400 before 1.0.1.22, R6400v2 before 1.0.2.32, R6700 and R6900 before 1.0.1.20, WNR3500Lv2 before 1.2.0.44, and WNR2000v2 before 1.2.0.8.

CVSS severity6.5
Medium
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in seven NETGEAR router models allows remote attackers on the local network to interrupt routing service. NETGEAR has not published the affected component, crafted input, or fault that causes the interruption. No authentication or user interaction is required, but local-network access is; affected releases are R6300v2 before 1.0.4.8, R6400 before 1.0.1.22, R6400v2 before 1.0.2.32, R6700 and R6900 before 1.0.1.20, WNR3500Lv2 before 1.2.0.44, and WNR2000v2 before 1.2.0.8.

The record

CVE
CVE-2017-18765
Published
Apr 22, 2020
Updated
Aug 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
Unavailable
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 22, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.5NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.5MITRECVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.5NETGEARCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.3NVDAV:A/AC:L/Au:N/C:N/I:N/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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