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[email protected]CVE-2018-21189

HistoryApr 28, 2020 - 3:15 p.m.

CVE-2018-21189

2020-04-2815:15:12

CWE-787

[email protected]

web.nvd.nist.gov

cve-2018-21189

netgear

stack-based buffer overflow

authenticated user

security vulnerability

nvd

6.8 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

High

5.2 Medium

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

12.5%

JSON

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.57, R6100 before 1.0.1.20, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

Affected configurations

NVD

Node

netgeard6100_firmwareRange<1.0.0.57

AND

netgeard6100Match-

Node

netgearr6100_firmwareRange<1.0.1.20

AND

netgearr6100Match-

Node

netgearr7800_firmwareRange<1.0.2.40

AND

netgearr7800Match-

Node

netgearr9000_firmwareRange<1.0.2.52

AND

netgearr9000Match-

Node

netgearwndr3700_firmwareRange<1.0.2.92

AND

netgearwndr3700Matchv4

Node

netgearwndr4300_firmwareRange<1.0.2.94

AND

netgearwndr4300Match-

Node

netgearwndr4300_firmwareRange<1.0.0.50

AND

netgearwndr4300Matchv2

Node

netgearwndr4500_firmwareRange<1.0.0.50

AND

netgearwndr4500Matchv3

Node

netgearwnr2000_firmwareRange<1.0.0.62

AND

netgearwnr2000Matchv5

CPENameOperatorVersion
netgear:d6100_firmwarenetgear d6100 firmwarelt1.0.0.57

CPE	Name	Operator	Version
netgear:d6100_firmware	netgear d6100 firmware	lt	1.0.0.57

References

kb.netgear.com/000055168/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2606

6.8 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

High

5.2 Medium

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

12.5%

JSON

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