Skip to main content

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

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

Lifecycle Timeline

1
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 D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.

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. 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 D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56. Affected products include: Netgear D3600 Firmware, Netgear D6000 Firmware, Netgear D6100 Firmware, Netgear D6220 Firmware, Netgear D6400 Firmware. Version information: before 1.0.0.76.

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.

CVE-2021-45638 CRITICAL
9.8 Dec 26

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. Rated critical sev

CVE-2021-45610 CRITICAL
9.8 Dec 26

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. Rated critical severity (CVSS

CVE-2021-45527 CRITICAL
9.8 Dec 26

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. Rated critical severity (CVSS 9.8),

CVE-2021-38516 CRITICAL
9.8 Aug 11

Certain NETGEAR devices are affected by lack of access control at the function level. Rated critical severity (CVSS 9.8)

CVE-2020-35796 CRITICAL
9.8 Dec 30

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. Rated critical severity (CVSS

CVE-2020-35800 CRITICAL
9.4 Dec 30

Certain NETGEAR devices are affected by incorrect configuration of security settings. Rated critical severity (CVSS 9.4)

CVE-2021-45641 HIGH
8.8 Dec 26

Certain NETGEAR devices are affected by incorrect configuration of security settings. Rated high severity (CVSS 8.8), th

CVE-2021-34991 HIGH
8.8 Nov 15

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R640

CVE-2021-27239 HIGH
8.8 Mar 29

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R640

CVE-2020-11770 HIGH
8.8 Apr 15

Certain NETGEAR devices are affected by command injection by an authenticated user. Rated high severity (CVSS 8.8), this

CVE-2021-45640 HIGH
7.2 Dec 26

Certain NETGEAR devices are affected by incorrect configuration of security settings. Rated high severity (CVSS 7.2), th

CVE-2025-7407 LOW POC
2.1 Jul 10

Remote OS command injection in Netgear D6400 firmware 1.0.0.114 allows authenticated attackers to execute arbitrary comm

Share

CVE-2021-45550 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy