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

published 2020-04-28 6y ago modified 2026-06-17 4mo ago also EUVD-2018-13743

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 D7000 before 1.0.1.60, D7800 before 1.0.1.34, D8500 before 1.0.3.39, R6700 before 1.0.1.30, R6700v2 before 1.2.0.16, R6800 before 1.2.0.16, R6900 before 1.0.1.30, R6900P before 1.2.0.22, R6900v2 before 1.2.0.16, R7000 before 1.0.9.12, R7000P before 1.2.0.22, R7500v2 before 1.0.3.20, R7800 before 1.0.2.44, R8300 before 1.0.2.106, R8500 before 1.0.2.106, and R9000 before 1.0.2.52.

Patch / fix

fixed in 14

netgear d7800_firmware 1.0.1.34
netgear d7000_firmware 1.0.1.60
netgear d8500_firmware 1.0.3.39
netgear r6700_firmware 1.0.1.30, 1.2.0.16
netgear r6800_firmware 1.2.0.16
netgear r6900_firmware 1.0.1.30, 1.2.0.16
netgear r6900p_firmware 1.2.0.22
netgear r7000_firmware 1.0.9.12
netgear r7000p_firmware 1.2.0.22
netgear r7500_firmware 1.0.3.20
netgear r7800_firmware 1.0.2.44
netgear r8300_firmware 1.0.2.106
netgear r8500_firmware 1.0.2.106
netgear r9000_firmware 1.0.2.52

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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 /000055112/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Gateways-PSV-2017-2
vendor-advisory

Sources

CVE List CVE-2018-21225
NVD CVE-2018-21225

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