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R6400 Firmware CVE-2021-38521

HIGH
Command Injection (CWE-77)
2021-08-11 cve@mitre.org
Netgear Command Injection R6400 Firmware R7900P Firmware R8000P Firmware Rax75 Firmware Rax80 Firmware
7.2
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.2 HIGH
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Aug 11, 2021 - 00:15 nvd
HIGH 7.2

DescriptionNVD

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.50, R7900P before 1.4.1.50, R8000P before 1.4.1.50, RAX75 before 1.0.1.62, and RAX80 before 1.0.1.62.

AnalysisAI

Certain NETGEAR devices are affected by command injection by an authenticated user. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.50, R7900P before 1.4.1.50, R8000P before 1.4.1.50, RAX75 before 1.0.1.62, and RAX80 before 1.0.1.62. Affected products include: Netgear R6400 Firmware, Netgear R7900P Firmware, Netgear R8000P Firmware, Netgear Rax75 Firmware, Netgear Rax80 Firmware. Version information: before 1.0.1.50.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

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CVE-2021-38521 vulnerability details – vuln.today
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