CVE-2021-45526

CVSS V2 Medium 6.5 CVSS V3 High 8.8

Description

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX6000 before 1.0.0.38, EX6120 before 1.0.0.48, EX6130 before 1.0.0.30, R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R7000 before 1.0.11.126, R7900 before 1.0.4.30, R8000 before 1.0.4.52, R7000P before 1.3.2.124, R8000P before 1.4.1.50, RAX80 before 1.0.3.88, R6900P before 1.3.2.124, R7900P before 1.4.1.50, and RAX75 before 1.0.3.88.

Overview

CVE ID
CVE-2021-45526

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

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

Last Modified Date
2022-01-07T13:38:08

Weakness Enumerations

CWE	URL
CWE-120	http://cwe.mitre.org/data/definitions/120.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:o:netgear:ex6000_firmware::::::::	1	OR	1.0.0.38
cpe:2.3:h:netgear:ex6000:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex6120_firmware::::::::	1	OR	1.0.0.48
cpe:2.3:h:netgear:ex6120:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex6130_firmware::::::::	1	OR	1.0.0.30
cpe:2.3:h:netgear:ex6130:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6300v2_firmware::::::::	1	OR	1.0.4.52
cpe:2.3:h:netgear:r6300v2:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6400_firmware::::::::	1	OR	1.0.1.52
cpe:2.3:h:netgear:r6400:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7000_firmware::::::::	1	OR	1.0.11.126
cpe:2.3:h:netgear:r7000:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7900_firmware::::::::	1	OR	1.0.4.30
cpe:2.3:h:netgear:r7900:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r8000_firmware::::::::	1	OR	1.0.4.52
cpe:2.3:h:netgear:r8000:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r8000p_firmware::::::::	1	OR	1.4.1.50
cpe:2.3:h:netgear:r8000p:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7000p_firmware::::::::	1	OR	1.3.2.124
cpe:2.3:h:netgear:r7000p:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:rax80_firmware::::::::	1	OR	1.0.3.88
cpe:2.3:h:netgear:rax80:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:rax75_firmware::::::::	1	OR	1.0.3.88
cpe:2.3:h:netgear:rax75:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6900p_firmware::::::::	1	OR	1.3.2.124
cpe:2.3:h:netgear:r6900p:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7900p_firmware::::::::	1	OR	1.4.1.50
cpe:2.3:h:netgear:r7900p:-:::::::*	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:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://kb.netgear.com/000064446/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Extenders-PSV-2019-0078	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-45526
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45526

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:38:06				Added to TrackCVE
2022-12-06 04:54:52	2021-12-26T01:15Z	2021-12-26T01:15:14	CVE Published Date	updated
2022-12-06 04:54:52		2022-01-07T13:38:08	CVE Modified Date	updated
2022-12-06 04:54:52		Analyzed	Vulnerability Status	updated