Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.

published 2021-12-26 4y ago modified 2026-06-17 4mo ago also EUVD-2021-32382

cvss: 9.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits: 0; none known

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 3.2.18.2, LAX20 before 1.1.6.28, MK62 before 1.0.6.116, MR60 before 1.0.6.116, MS60 before 1.0.6.116, R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, R7850 before 1.0.5.68, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.68, R8000P before 1.4.2.84, RAX15 before 1.0.3.96, RAX20 before 1.0.3.96, RAX200 before 1.0.4.120, RAX35v2 before 1.0.3.96, RAX40v2 before 1.0.3.96, RAX43 before 1.0.3.96, RAX45 before 1.0.3.96, RAX50 before 1.0.3.96, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RS400 before 1.5.1.80, and XR1000 before 1.0.0.58.

Patch / fix

fixed in 20

netgear cbr750_firmware 3.2.18.2
netgear lax20_firmware 1.1.6.28
netgear mk62_firmware 1.0.6.116
netgear mr60_firmware 1.0.6.116
netgear ms60_firmware 1.0.6.116
netgear r6900p_firmware 1.3.3.140
netgear r7000_firmware 1.0.11.126
netgear r7000p_firmware 1.3.3.140
netgear r7850_firmware 1.0.5.68
netgear r7900_firmware 1.0.4.46
netgear r7900p_firmware 1.4.2.84
netgear r7960p_firmware 1.4.2.84
netgear r8000_firmware 1.0.4.68
netgear r8000p_firmware 1.4.2.84
netgear rax15_firmware 1.0.3.96
netgear rax20_firmware 1.0.3.96
netgear rax200_firmware 1.0.4.120
netgear rax35v2_firmware 1.0.3.96
netgear rax40v2_firmware 1.0.3.96
netgear rax43_firmware 1.0.3.96

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Exploit prediction

2.02% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.6	CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N
CNA	3.1	9.6	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

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

References

kb.netgear.com /000064527/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-202
vendor-advisory

Sources

CVE List CVE-2021-45616
NVD CVE-2021-45616

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