Certain NETGEAR devices are affected by authentication bypass.

published 2020-04-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9824

cvss: 8.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

Certain NETGEAR devices are affected by authentication bypass. This affects D6220 before 1.0.0.28, D6400 before 1.0.0.60, D8500 before 1.0.3.29, R6250 before 1.0.4.8, R6400 before 1.0.1.22, R6400v2 before 1.0.2.32, R7100LG before 1.0.0.32, R7300DST before 1.0.0.52, R8300 before 1.0.2.94, and R8500 before 1.0.2.100.

Patch / fix

fixed in 9

netgear d6220_firmware 1.0.0.28
netgear d6400_firmware 1.0.0.60
netgear d8500_firmware 1.0.3.29
netgear r6250_firmware 1.0.4.8
netgear r6400_firmware 1.0.1.22, 1.0.2.32
netgear r7100lg_firmware 1.0.0.32
netgear r7300dst_firmware 1.0.0.52
netgear r8300_firmware 1.0.2.94
netgear r8500_firmware 1.0.2.100

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.8	CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N
NVD	3.1	8.8	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	8.8	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	5.8	AV:A/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-287 Improper Authentication

References

kb.netgear.com /000051522/Security-Advisory-for-Authentication-Bypass-on-Some-Routers-and-Gateways-PSV-2016-0061
vendor-advisory

Sources

CVE List CVE-2017-18733
NVD CVE-2017-18733

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary