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[email protected]NVD:CVE-2018-21222

HistoryApr 28, 2020 - 5:15 p.m.

CVE-2018-21222

2020-04-2817:15:12

CWE-120

[email protected]

web.nvd.nist.gov

CVSS2

5.8

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

CVSS3

8.8

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

AI Score

9.1

Confidence

High

EPSS

0.001

Percentile

34.2%

JSON

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D7800 before 1.0.1.30, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

Affected configurations

Nvd

Node

netgearwnr2000_firmwareRange<1.0.0.62

AND

netgearwnr2000Matchv5

Node

netgearr9000_firmwareRange<1.0.2.52

AND

netgearr9000Match-

Node

netgearwndr3700_firmwareRange<1.0.2.96

AND

netgearwndr3700Matchv4

Node

netgearwndr4300_firmwareRange<1.0.2.98

AND

netgearwndr4300Match-

Node

netgearr7500_firmwareRange<1.0.0.118

AND

netgearr7500Match-

Node

netgearwndr4300_firmwareRange<1.0.0.50

AND

netgearwndr4300Matchv2

Node

netgearwndr4500_firmwareRange<1.0.0.50

AND

netgearwndr4500Matchv3

Node

netgearr6100_firmwareRange<1.0.1.20

AND

netgearr6100Match-

Node

netgeard7800_firmwareRange<1.0.1.30

AND

netgeard7800Match-

Node

netgearr7500_firmwareRange<1.0.3.24

AND

netgearr7500Matchv2

Node

netgeard6000_firmwareRange<1.0.0.67

AND

netgeard6000Match-

Node

netgeard3600_firmwareRange<1.0.0.67

AND

netgeard3600Match-

VendorProductVersionCPE
netgearwnr2000_firmware*cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:*
netgearwnr2000v5cpe:2.3:h:netgear:wnr2000:v5:*:*:*:*:*:*:*
netgearr9000_firmware*cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
netgearr9000-cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*
netgearwndr3700_firmware*cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:*
netgearwndr3700v4cpe:2.3:h:netgear:wndr3700:v4:*:*:*:*:*:*:*
netgearwndr4300_firmware*cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*
netgearwndr4300-cpe:2.3:h:netgear:wndr4300:-:*:*:*:*:*:*:*
netgearr7500_firmware*cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*
netgearr7500-cpe:2.3:h:netgear:r7500:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
netgear	wnr2000_firmware	*	cpe:2.3:o:netgear:wnr2000_firmware::::::::
netgear	wnr2000	v5	cpe:2.3:h:netgear:wnr2000:v5:::::::*
netgear	r9000_firmware	*	cpe:2.3:o:netgear:r9000_firmware::::::::
netgear	r9000	-	cpe:2.3:h:netgear:r9000:-:::::::*
netgear	wndr3700_firmware	*	cpe:2.3:o:netgear:wndr3700_firmware::::::::
netgear	wndr3700	v4	cpe:2.3:h:netgear:wndr3700:v4:::::::*
netgear	wndr4300_firmware	*	cpe:2.3:o:netgear:wndr4300_firmware::::::::
netgear	wndr4300	-	cpe:2.3:h:netgear:wndr4300:-:::::::*
netgear	r7500_firmware	*	cpe:2.3:o:netgear:r7500_firmware::::::::
netgear	r7500	-	cpe:2.3:h:netgear:r7500:-:::::::*

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References

kb.netgear.com/000055115/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2458

CVSS2

5.8

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

CVSS3

8.8

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

AI Score

9.1

Confidence

High

EPSS

0.001

Percentile

34.2%

JSON

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