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[email protected]CVE-2018-21153

HistoryApr 27, 2020 - 6:15 p.m.

CVE-2018-21153

2020-04-2718:15:12

CWE-120

[email protected]

web.nvd.nist.gov

netgear

buffer overflow

vulnerability

cve-2018-21153

nvd

security

unauthenticated attacker

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

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

0.003 Low

EPSS

Percentile

65.2%

JSON

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D7800 before 1.0.1.34, DM200 before 1.0.0.50, EX2700 before 1.0.1.32, EX6100v2 before 1.0.1.70, EX6150v2 before 1.0.1.70, EX6200v2 before 1.0.1.62, EX6400 before 1.0.1.78, EX7300 before 1.0.1.62, EX8000 before 1.0.0.114, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, R7800 before 1.0.2.40, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WN2000RPTv3 before 1.0.1.26, WN3000RPv2 before 1.0.0.56, WN3000RPv3 before 1.0.2.66, WN3100RPv2 before 1.0.0.56, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.

Affected configurations

NVD

Node

netgeard7800_firmwareRange<1.0.1.34

AND

netgeard7800Match-

Node

netgeardm200_firmwareRange<1.0.0.50

AND

netgeardm200Match-

Node

netgearex2700_firmwareRange<1.0.1.32

AND

netgearex2700Match-

Node

netgearex6100_firmwareRange<1.0.1.70

AND

netgearex6100Matchv2

Node

netgearex6150_firmwareRange<1.0.1.70

AND

netgearex6150Matchv2

Node

netgearex6200_firmwareRange<1.0.1.62

AND

netgearex6200Matchv2

Node

netgearex6400_firmwareRange<1.0.1.78

AND

netgearex6400Match-

Node

netgearex7300_firmwareRange<1.0.1.62

AND

netgearex7300Match-

Node

netgearex8000_firmwareRange<1.0.0.114

AND

netgearex8000Match-

Node

netgearr6100_firmwareRange<1.0.1.22

AND

netgearr6100Match-

Node

netgearr7500_firmwareRange<1.0.0.122

AND

netgearr7500Match-

Node

netgearr7500_firmwareRange<1.0.3.26

AND

netgearr7500Matchv2

Node

netgearr7800_firmwareRange<1.0.2.40

AND

netgearr7800Match-

Node

netgearr8900_firmwareRange<1.0.3.10

AND

netgearr8900Match-

Node

netgearr9000_firmwareRange<1.0.3.10

AND

netgearr9000Match-

Node

netgearwn2000rpt_firmwareRange<1.0.1.26

AND

netgearwn2000rptMatchv3

Node

netgearwn3000rp_firmwareRange<1.0.0.56

AND

netgearwn3000rpMatchv2

Node

netgearwn3000rp_firmwareRange<1.0.2.66

AND

netgearwn3000rpMatch-

Node

netgearwn3100rp_firmwareRange<1.0.0.56

AND

netgearwn3100rpMatchv2

Node

netgearwndr4300_firmwareRange<1.0.2.98

AND

netgearwndr4300Match-

Node

netgearwndr4300_firmwareRange<1.0.0.54

AND

netgearwndr4300Matchv2

Node

netgearwndr4500_firmwareRange<1.0.0.54

AND

netgearwndr4500Matchv3

Node

netgearwnr2000_firmwareRange<1.0.0.64

AND

netgearwnr2000Matchv5

CPENameOperatorVersion
netgear:d7800_firmwarenetgear d7800 firmwarelt1.0.1.34

CPE	Name	Operator	Version
netgear:d7800_firmware	netgear d7800 firmware	lt	1.0.1.34

References

kb.netgear.com/000059480/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Gateways-Routers-and-Extenders-PSV-2017-3136

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

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

0.003 Low

EPSS

Percentile

65.2%

JSON

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