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[email protected]CVE-2018-21205

HistoryApr 28, 2020 - 4:15 p.m.

CVE-2018-21205

2020-04-2816:15:13

CWE-120

[email protected]

web.nvd.nist.gov

netgear

devices

stack-based buffer overflow

cve-2018-21205

security vulnerability

nvd

5.8 Medium

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.4%

JSON

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D7800 before 1.0.1.30, EX2700 before 1.0.1.28, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, WN3100RPv2 before 1.0.0.56, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

Affected configurations

NVD

Node

netgeard7800Match-

AND

netgeard7800_firmwareRange<1.0.1.30

Node

netgearex2700Match-

AND

netgearex2700_firmwareRange<1.0.1.28

Node

netgearr6100Match-

AND

netgearr6100_firmwareRange<1.0.1.20

Node

netgearr7500Match-

AND

netgearr7500_firmwareRange<1.0.0.118

Node

netgearr7500Matchv2

AND

netgearr7500_firmwareRange<1.0.3.24

Node

netgearr7800Match-

AND

netgearr7800_firmwareRange<1.0.2.40

Node

netgearr900Match-

AND

netgearr900_firmwareRange<1.0.2.52

Node

netgearwn2000rptMatchv3

AND

netgearwn2000rpt_firmwareRange<1.0.1.20

Node

netgearwn3000rp_firmwareRange<1.0.2.50

AND

netgearwn3000rpMatchv3

Node

netgearwn3100rp_firmwareRange<1.0.0.56

AND

netgearwn3100rpMatchv2

Node

netgearwndr3700_firmwareRange<1.0.2.96

AND

netgearwndr3700Matchv4

Node

netgearwndr4300_firmwareRange<1.0.2.98

AND

netgearwndr4300Match-

Node

netgearwndr4300_firmwareRange<1.0.0.50

AND

netgearwndr4300Matchv2

Node

netgearwndr4500_firmwareRange<1.0.0.50

AND

netgearwndr4500Matchv3

CPENameOperatorVersion
netgear:d7800_firmwarenetgear d7800 firmwarelt1.0.1.30

CPE	Name	Operator	Version
netgear:d7800_firmware	netgear d7800 firmware	lt	1.0.1.30

References

kb.netgear.com/000055144/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2568

5.8 Medium

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.4%

JSON

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