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

published 2021-08-11 5y ago modified 2026-06-17 4mo ago also EUVD-2021-24970

cvss: 6.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits: 0; none known

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.52, R6400v2 before 1.0.4.84, R6700v3 before 1.0.4.84, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, and R7000P before 1.3.2.124.

Patch / fix

fixed in 4

netgear r6400_firmware 1.0.1.52, 1.0.4.84
netgear r6700_firmware 1.0.4.84, 1.2.0.62
netgear r6900_firmware 1.2.0.62
netgear r7000p_firmware 1.3.2.124

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Exploit prediction

1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.6	CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:H/S:U/UI:N
CNA	3.1	6.6	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command

References

kb.netgear.com /000063763/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2018-0565
vendor-advisory

Sources

CVE List CVE-2021-38520
NVD CVE-2021-38520

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