CVE-2021-45534

CVSS V2 Medium 6.5 CVSS V3 High 7.8

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects AC2100 before 1.2.0.88, AC2400 before 1.2.0.88, AC2600 before 1.2.0.88, D7000 before 1.0.1.82, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.84, R6330 before 1.1.0.84, R6350 before 1.1.0.84, R6700v2 before 1.2.0.88, R6800 before 1.2.0.88, R6850 before 1.1.0.84, R6900v2 before 1.2.0.88, R7200 before 1.2.0.88, R7350 before 1.2.0.88, R7400 before 1.2.0.88, and R7450 before 1.2.0.88.

Overview

CVE ID
CVE-2021-45534

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-12-26T01:15:14

Last Modified Date
2022-01-07T19:38:30

Weakness Enumerations

CWE	URL
CWE-77	http://cwe.mitre.org/data/definitions/77.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:o:netgear:ac2100_firmware::::::::	1	OR	1.2.0.88
cpe:2.3:h:netgear:ac2100:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ac2400_firmware::::::::	1	OR	1.2.0.88
cpe:2.3:h:netgear:ac2400:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ac2600_firmware::::::::	1	OR	1.2.0.88
cpe:2.3:h:netgear:ac2600:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:d7000_firmware::::::::	1	OR	1.0.1.82
cpe:2.3:h:netgear:d7000:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6220_firmware::::::::	1	OR	1.1.0.110
cpe:2.3:h:netgear:r6220:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6230_firmware::::::::	1	OR	1.1.0.110
cpe:2.3:h:netgear:r6230:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6260_firmware::::::::	1	OR	1.1.0.84
cpe:2.3:h:netgear:r6260:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6330_firmware::::::::	1	OR	1.1.0.84
cpe:2.3:h:netgear:r6330:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6350_firmware::::::::	1	OR	1.1.0.84
cpe:2.3:h:netgear:r6350:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6700v2_firmware::::::::	1	OR	1.2.0.88
cpe:2.3:h:netgear:r6700v2:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6800_firmware::::::::	1	OR	1.2.0.88
cpe:2.3:h:netgear:r6800:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6850_firmware::::::::	1	OR	1.1.0.84
cpe:2.3:h:netgear:r6850:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6900v2_firmware::::::::	1	OR	1.2.0.88
cpe:2.3:h:netgear:r6900v2:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7200_firmware::::::::	1	OR	1.2.0.88
cpe:2.3:h:netgear:r7200:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7350_firmware::::::::	1	OR	1.2.0.88
cpe:2.3:h:netgear:r7350:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7400_firmware::::::::	1	OR	1.2.0.88
cpe:2.3:h:netgear:r7400:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7450_firmware::::::::	1	OR	1.2.0.88
cpe:2.3:h:netgear:r7450:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:P/I:P/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.5

Severity
MEDIUM

Exploitability Score
8

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://immersivelabs.com/resources/blog/netgear-vulnerabilities-could-put-small-business-routers-at-risk/	Third Party Advisory
https://kb.netgear.com/000064406/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0172	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-45534
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45534

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:38:02				Added to TrackCVE
2022-12-06 04:55:32	2021-12-26T01:15Z	2021-12-26T01:15:14	CVE Published Date	updated
2022-12-06 04:55:32		2022-01-07T19:38:30	CVE Modified Date	updated
2022-12-06 04:55:32		Analyzed	Vulnerability Status	updated