What is the CVSS score of CVE-2021-45543?

CVE-2021-45543 has a CVSS 3.1 base score of 6.8 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Is there a patch available for CVE-2021-45543?

Yes, a patch is available for CVE-2021-45543. Update the affected software to the latest version immediately.

R8000 Firmware CVE-2021-45543

MEDIUM

Command Injection (CWE-77)

2021-12-26 cve@mitre.org

Netgear Command Injection R8000 Firmware R8000P Firmware Rax200 Firmware R7900P Firmware Rbr850 Firmware Rbs850 Firmware Rbk852 Firmware

6.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 26, 2021 - 01:15 nvd

MEDIUM 6.8

DescriptionNVD

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, R7900P before 1.4.2.84, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBK852 before 3.2.17.12.

AnalysisAI

Certain NETGEAR devices are affected by command injection by an authenticated user. Rated medium severity (CVSS 6.8), this vulnerability is 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 authenticated user. This affects R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, R7900P before 1.4.2.84, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBK852 before 3.2.17.12. Affected products include: Netgear R8000 Firmware, Netgear R8000P Firmware, Netgear Rax200 Firmware, Netgear R7900P Firmware, Netgear Rbr850 Firmware. Version information: before 1.0.4.74.

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.