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CVE-2021-45621

Critical

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 3.2.18.2, EAX20 before 1.0.0.58, EAX80 before 1.0.1.68, EX3700 before 1.0.0.94, EX3800 before 1.0.0.94, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7000 before 1.0.1.104, EX7500 before 1.0.0.74, LAX20 before 1.1.6.28, MR60 before 1.0.6.116, MS60 before 1.0.6.116, R6300v2 before 1.0.4.52, R6400 before 1.0.1.70, R6400v2 before 1.0.4.106, R6700v3 before 1.0.4.106, R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, R7100LG before 1.0.0.72, R7850 before 1.0.5.74, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, R8300 before 1.0.2.154, R8500 before 1.0.2.154, 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, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RBS850 before 3.2.17.12, RS400 before 1.5.1.80, XR1000 before 1.0.0.58, and XR300 before 1.0.3.68.

SeverityCritical
CVSS9.6
Exploit probability—
ProductNetgear Cbr40 Firmware
PublishedDec 26, 2021
First seenDec 26, 2021

How to fix

Update
  • netgear cbr40_firmware2.5.0.24 or later
  • netgear cbr750_firmware3.2.18.2 or later
  • netgear eax20_firmware1.0.0.58 or later
  • netgear eax80_firmware1.0.1.68 or later
  • netgear rax15_firmware1.0.3.96 or later
  • netgear rax20_firmware1.0.3.96 or later
  • netgear rax200_firmware1.0.4.120 or later
  • netgear rax35v2_firmware1.0.3.96 or later
  • netgear rax40v2_firmware1.0.3.96 or later
  • netgear rax43_firmware1.0.3.96 or later
  • netgear rax45_firmware1.0.3.96 or later
  • netgear rax50_firmware1.0.3.96 or later

Affected products

ProductAffected versionsFixed in
netgear cbr40_firmwarev < 2.5.0.242.5.0.24
netgear cbr750_firmwarev < 3.2.18.23.2.18.2
netgear eax20_firmwarev < 1.0.0.581.0.0.58
netgear eax80_firmwarev < 1.0.1.681.0.1.68
netgear rax15_firmwarev < 1.0.3.961.0.3.96
netgear rax20_firmwarev < 1.0.3.961.0.3.96
netgear rax200_firmwarev < 1.0.4.1201.0.4.120
netgear rax35v2_firmwarev < 1.0.3.961.0.3.96
netgear rax40v2_firmwarev < 1.0.3.961.0.3.96
netgear rax43_firmwarev < 1.0.3.961.0.3.96
netgear rax45_firmwarev < 1.0.3.961.0.3.96
netgear rax50_firmwarev < 1.0.3.961.0.3.96
netgear rax75_firmwarev < 1.0.4.1201.0.4.120
netgear rax80_firmwarev < 1.0.4.1201.0.4.120
netgear rbk752_firmwarev < 3.2.17.123.2.17.12
netgear rbk852_firmwarev < 3.2.17.123.2.17.12
netgear rbr750_firmwarev < 3.2.17.123.2.17.12
netgear rbr850_firmwarev < 3.2.17.123.2.17.12
netgear rbs750_firmwarev < 3.2.17.123.2.17.12
netgear rbs850_firmwarev < 3.2.17.123.2.17.12
netgear rs400_firmwarev < 1.5.1.801.5.1.80
netgear xr1000_firmwarev < 1.0.0.581.0.0.58
netgear xr300_firmwarev < 1.0.3.681.0.3.68
netgear ex3700_firmwarev < 1.0.0.941.0.0.94
netgear ex3800_firmwarev < 1.0.0.941.0.0.94
netgear ex6120_firmwarev < 1.0.0.641.0.0.64
netgear ex6130_firmwarev < 1.0.0.441.0.0.44
netgear ex7000_firmwarev < 1.0.1.1041.0.1.104
netgear ex7500_firmwarev < 1.0.0.741.0.0.74
netgear lax20_firmwarev < 1.1.6.281.1.6.28
netgear mr60_firmwarev < 1.0.6.1161.0.6.116
netgear ms60_firmwarev < 1.0.6.1161.0.6.116
netgear r6300v2_firmwarev < 1.0.4.521.0.4.52
netgear r6400_firmwarev < 1.0.1.701.0.1.70
netgear r6400v2_firmwarev < 1.0.4.1061.0.4.106
netgear r6700v3_firmwarev < 1.0.4.1061.0.4.106
netgear r6900p_firmwarev < 1.3.3.1401.3.3.140
netgear r7000_firmwarev < 1.0.11.1261.0.11.126
netgear r7000p_firmwarev < 1.3.3.1401.3.3.140
netgear r7100lg_firmwarev < 1.0.0.721.0.0.72
netgear r7850_firmwarev < 1.0.5.741.0.5.74
netgear r7900_firmwarev < 1.0.4.461.0.4.46
netgear r8000_firmwarev < 1.0.4.741.0.4.74
netgear r8000p_firmwarev < 1.4.2.841.4.2.84
netgear r8300_firmwarev < 1.0.2.1541.0.2.154
netgear r8500_firmwarev < 1.0.2.1541.0.2.154
netgear r7900p_firmwarev < 1.4.2.841.4.2.84
netgear r7960p_firmwarev < 1.4.2.841.4.2.84

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