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[email protected]NVD: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

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 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

VendorProductVersionCPE
netgeard7800-cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*
netgeard7800_firmware*cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*
netgearex2700-cpe:2.3:h:netgear:ex2700:-:*:*:*:*:*:*:*
netgearex2700_firmware*cpe:2.3:o:netgear:ex2700_firmware:*:*:*:*:*:*:*:*
netgearr6100-cpe:2.3:h:netgear:r6100:-:*:*:*:*:*:*:*
netgearr6100_firmware*cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:*
netgearr7500-cpe:2.3:h:netgear:r7500:-:*:*:*:*:*:*:*
netgearr7500_firmware*cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*
netgearr7500v2cpe:2.3:h:netgear:r7500:v2:*:*:*:*:*:*:*
netgearr7800-cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
netgear	d7800	-	cpe:2.3:h:netgear:d7800:-:::::::*
netgear	d7800_firmware	*	cpe:2.3:o:netgear:d7800_firmware::::::::
netgear	ex2700	-	cpe:2.3:h:netgear:ex2700:-:::::::*
netgear	ex2700_firmware	*	cpe:2.3:o:netgear:ex2700_firmware::::::::
netgear	r6100	-	cpe:2.3:h:netgear:r6100:-:::::::*
netgear	r6100_firmware	*	cpe:2.3:o:netgear:r6100_firmware::::::::
netgear	r7500	-	cpe:2.3:h:netgear:r7500:-:::::::*
netgear	r7500_firmware	*	cpe:2.3:o:netgear:r7500_firmware::::::::
netgear	r7500	v2	cpe:2.3:h:netgear:r7500:v2:::::::*
netgear	r7800	-	cpe:2.3:h:netgear:r7800:-:::::::*

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References

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

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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