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Xr300 Firmware CVE-2021-38528

CRITICAL
Command Injection (CWE-77)
2021-08-11 cve@mitre.org
Command Injection Netgear Xr300 Firmware R7100Lg Firmware R7000P Firmware D8500 Firmware R6900P Firmware Wndr3400 Firmware
9.8
CVSS 3.1 · NVD
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Severity by source

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Aug 11, 2021 - 00:16 nvd
CRITICAL 9.8

DescriptionNVD

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6900P before 1.3.2.132, R7000P before 1.3.2.132, R7100LG before 1.0.0.64, WNDR3400v3 before 1.0.1.38, and XR300 before 1.0.3.56.

AnalysisAI

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, 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 unauthenticated attacker. This affects D8500 before 1.0.3.58, R6900P before 1.3.2.132, R7000P before 1.3.2.132, R7100LG before 1.0.0.64, WNDR3400v3 before 1.0.1.38, and XR300 before 1.0.3.56. Affected products include: Netgear D8500 Firmware, Netgear R6900P Firmware, Netgear R7000P Firmware, Netgear R7100Lg Firmware, Netgear Wndr3400 Firmware. Version information: before 1.0.3.58.

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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Same weakness CWE-77 – Command Injection

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CVE-2021-38528 vulnerability details – vuln.today
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