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CVE-2021-45621

CRITICALCVSS 9.8/10EPSS 2.02%

Last modified

CVE-2021-45621 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.02% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
2.02%

78.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NetgearCbr40 Firmware< 2.5.0.24
NetgearCbr750 Firmware< 3.2.18.2
NetgearEax20 Firmware< 1.0.0.58
NetgearEax80 Firmware< 1.0.1.68
NetgearRax15 Firmware< 1.0.3.96
NetgearRax20 Firmware< 1.0.3.96
NetgearRax200 Firmware< 1.0.4.120
NetgearRax35v2 Firmware< 1.0.3.96
NetgearRax40v2 Firmware< 1.0.3.96
NetgearRax43 Firmware< 1.0.3.96
NetgearRax45 Firmware< 1.0.3.96
NetgearRax50 Firmware< 1.0.3.96
NetgearRax75 Firmware< 1.0.4.120
NetgearRax80 Firmware< 1.0.4.120
NetgearRbk752 Firmware< 3.2.17.12
NetgearRbk852 Firmware< 3.2.17.12
NetgearRbr750 Firmware< 3.2.17.12
NetgearRbr850 Firmware< 3.2.17.12
NetgearRbs750 Firmware< 3.2.17.12
NetgearRbs850 Firmware< 3.2.17.12
NetgearRs400 Firmware< 1.5.1.80
NetgearXr1000 Firmware< 1.0.0.58
NetgearXr300 Firmware< 1.0.3.68
NetgearEx3700 Firmware< 1.0.0.94
NetgearEx3800 Firmware< 1.0.0.94
NetgearEx6120 Firmware< 1.0.0.64
NetgearEx6130 Firmware< 1.0.0.44
NetgearEx7000 Firmware< 1.0.1.104
NetgearEx7500 Firmware< 1.0.0.74
NetgearLax20 Firmware< 1.1.6.28
NetgearMr60 Firmware< 1.0.6.116
NetgearMs60 Firmware< 1.0.6.116
NetgearR6300v2 Firmware< 1.0.4.52
NetgearR6400 Firmware< 1.0.1.70
NetgearR6400v2 Firmware< 1.0.4.106
NetgearR6700v3 Firmware< 1.0.4.106
NetgearR6900p Firmware< 1.3.3.140
NetgearR7000 Firmware< 1.0.11.126
NetgearR7000p Firmware< 1.3.3.140
NetgearR7100lg Firmware< 1.0.0.72
NetgearR7850 Firmware< 1.0.5.74
NetgearR7900 Firmware< 1.0.4.46
NetgearR8000 Firmware< 1.0.4.74
NetgearR8000p Firmware< 1.4.2.84
NetgearR8300 Firmware< 1.0.2.154
NetgearR8500 Firmware< 1.0.2.154
NetgearR7900p Firmware< 1.4.2.84
NetgearR7960p Firmware< 1.4.2.84

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-45621?
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.
How severe is CVE-2021-45621?
CVE-2021-45621 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.02% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45621?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45621?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST