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Vulnerability record · CVE-2017-18859 · published 28 April 2020

CVE-2017-18859: Netgear c6300 firmware vulnerability

Netgear · C6300 Firmware

Certain NETGEAR devices are affected by slowdown/stoppage. This affects C6300 before 2017-05-30, CM400 before 2017-05-30, CM700 before 2017-05-30, and CMD31T before 2017-05-30.

7.5 CVSS 3.1 High EPSS 1.0% · top 36.9%
7.5CVSS 3.1 base score, v2 5.0
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Certain NETGEAR devices are affected by slowdown/stoppage. This affects C6300 before 2017-05-30, CM400 before 2017-05-30, CM700 before 2017-05-30, and CMD31T before 2017-05-30.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kb.netgear.com/000038560/Security-Advisory-for-Vulnerability-on-Select-Cable-Modems-and-Gateways-PSV-2017-2165 Vendor Advisory
https://kb.netgear.com/000038560/Security-Advisory-for-Vulnerability-on-Select-Cable-Modems-and-Gateways-PSV-2017-2165 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2016-11059Netgear ac1450 firmware information exposure vulnerabilityCertain NETGEAR devices are affected by password exposure. This affects AC1450 before 2017-01-06, C6300 before 2017-01-06, D500 before 2017-01-06, D1…EPSS 1.1%4.3CVE-2016-11055Netgear cm400 firmware cross-site request forgery vulnerabilityCertain NETGEAR devices are affected by CSRF. This affects CM400 before 2017-01-11, CM600 before 2017-01-11, D1500 before 2017-01-11, D500 before 201…EPSS 0.35%

Source: NIST National Vulnerability Database (record CVE-2017-18859), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.