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[email protected]CVE-2021-38530

HistoryAug 11, 2021 - 12:17 a.m.

CVE-2021-38530

2021-08-1100:17:02

CWE-77

[email protected]

web.nvd.nist.gov

cve-2021-38530

netgear

command injection

vulnerability

nvd

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.7 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.2%

JSON

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK40 before 2.5.1.16, RBR40 before 2.5.1.16, RBS40 before 2.5.1.16, RBK20 before 2.5.1.16, RBR20 before 2.5.1.16, RBS20 before 2.5.1.16, RBK50 before 2.5.1.16, RBR50 before 2.5.1.16, RBS50 before 2.5.1.16, and RBS50Y before 2.6.1.40.

Affected configurations

NVD

Node

netgearrbk40_firmwareRange<2.5.1.16

AND

netgearrbk40Match-

Node

netgearrbr40_firmwareRange<2.5.1.16

AND

netgearrbr40Match-

Node

netgearrbs40_firmwareRange<2.5.1.16

AND

netgearrbs40Match-

Node

netgearrbk20_firmwareRange<2.5.1.16

AND

netgearrbk20Match-

Node

netgearrbr20_firmwareRange<2.5.1.16

AND

netgearrbr20Match-

Node

netgearrbs20_firmwareRange<2.5.1.16

AND

netgearrbs20Match-

Node

netgearrbk50_firmwareRange<2.5.1.16

AND

netgearrbk50Match-

Node

netgearrbr50_firmwareRange<2.5.1.16

AND

netgearrbr50Match-

Node

netgearrbs50_firmwareRange<2.5.1.16

AND

netgearrbs50Match-

Node

netgearrbs50y_firmwareRange<2.6.1.40

AND

netgearrbs50yMatch-

CPENameOperatorVersion
netgear:rbk40_firmwarenetgear rbk40 firmwarelt2.5.1.16

CPE	Name	Operator	Version
netgear:rbk40_firmware	netgear rbk40 firmware	lt	2.5.1.16

References

kb.netgear.com/000063770/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2019-0151

Social References

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.7 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.2%

JSON

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