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

published 2021-12-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32315

cvss: 8.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects LAX20 before 1.1.6.28, MK62 before 1.1.6.122, MR60 before 1.1.6.122, MS60 before 1.1.6.122, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, R7000 before 1.0.11.116, R7000P before 1.3.3.140, R7850 before 1.0.5.68, R7900 before 1.0.4.38, 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, RS400 before 1.5.1.80, and XR1000 before 1.0.0.58.

Patch / fix

fixed in 20

netgear lax20_firmware 1.1.6.28
netgear mk62_firmware 1.1.6.122
netgear mr60_firmware 1.1.6.122
netgear ms60_firmware 1.1.6.122
netgear r6400_firmware 1.0.4.118
netgear r6700_firmware 1.0.4.118
netgear r6900p_firmware 1.3.3.140
netgear r7000_firmware 1.0.11.116
netgear r7000p_firmware 1.3.3.140
netgear r7850_firmware 1.0.5.68
netgear r7900_firmware 1.0.4.38
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 rax35_firmware 1.0.3.96
netgear rax40_firmware 1.0.3.96

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.4	CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:C/UI:N
CNA	3.1	8.4	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	6.8	CVSS:3.1/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-77 Improper Neutralization of Special Elements used in a Command

References

kb.netgear.com /000064513/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-Extenders-and-WiFi-Syst
vendor-advisory

Sources

CVE List CVE-2021-45549
NVD CVE-2021-45549

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