Certain NETGEAR devices are affected by command injection by an authenticated user.

published 2020-04-27 6y ago modified 2026-06-17 4mo ago also EUVD-2018-13672

cvss: 6.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.34, DM200 before 1.0.0.50, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, and R7800 before 1.0.2.42.

Patch / fix

fixed in 5

netgear d7800_firmware 1.0.1.34
netgear dm200_firmware 1.0.0.50
netgear r6100_firmware 1.0.1.22
netgear r7500_firmware 1.0.0.122, 1.0.3.26
netgear r7800_firmware 1.0.2.42

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Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.8	CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N
NVD	3.1	6.8	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	6.8	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	5.2	AV:A/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

kb.netgear.com /000059479/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Gateways-and-Routers-PSV-2017-3
vendor-advisory

Sources

CVE List CVE-2018-21154
NVD CVE-2018-21154

Fencer Intel 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.