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R7800 Firmware CVE-2021-45623

CRITICAL
Command Injection (CWE-77)
2021-12-26 cve@mitre.org
Netgear Command Injection R7800 Firmware R9000 Firmware Xr500 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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
Dec 26, 2021 - 01:15 nvd
CRITICAL 9.8

DescriptionNVD

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.

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.

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 R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66. Affected products include: Netgear R7800 Firmware, Netgear R9000 Firmware, Netgear Xr500 Firmware. Version information: before 1.0.2.74.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

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CVE-2021-45623 vulnerability details – vuln.today
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