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[email protected]CVE-2021-45526

HistoryDec 26, 2021 - 1:15 a.m.

CVE-2021-45526

2021-12-2601:15:14

CWE-120

[email protected]

web.nvd.nist.gov

cve-2021-45526

netgear

buffer overflow

authenticated user

security vulnerability

nvd

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

40.5%

JSON

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.

Affected configurations

NVD

Node

netgearex6000_firmwareRange<1.0.0.38

AND

netgearex6000Match-

Node

netgearex6120_firmwareRange<1.0.0.48

AND

netgearex6120Match-

Node

netgearex6130_firmwareRange<1.0.0.30

AND

netgearex6130Match-

Node

netgearr6300v2_firmwareRange<1.0.4.52

AND

netgearr6300v2Match-

Node

netgearr6400_firmwareRange<1.0.1.52

AND

netgearr6400Match-

Node

netgearr7000_firmwareRange<1.0.11.126

AND

netgearr7000Match-

Node

netgearr7900_firmwareRange<1.0.4.30

AND

netgearr7900Match-

Node

netgearr8000_firmwareRange<1.0.4.52

AND

netgearr8000Match-

Node

netgearr8000p_firmwareRange<1.4.1.50

AND

netgearr8000pMatch-

Node

netgearr7000p_firmwareRange<1.3.2.124

AND

netgearr7000pMatch-

Node

netgearrax80_firmwareRange<1.0.3.88

AND

netgearrax80Match-

Node

netgearrax75_firmwareRange<1.0.3.88

AND

netgearrax75Match-

Node

netgearr6900p_firmwareRange<1.3.2.124

AND

netgearr6900pMatch-

Node

netgearr7900p_firmwareRange<1.4.1.50

AND

netgearr7900pMatch-

CPENameOperatorVersion
netgear:ex6000_firmwarenetgear ex6000 firmwarelt1.0.0.38

CPE	Name	Operator	Version
netgear:ex6000_firmware	netgear ex6000 firmware	lt	1.0.0.38

References

kb.netgear.com/000064446/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Extenders-PSV-2019-0078

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

40.5%

JSON

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