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[email protected]NVD:CVE-2018-21170

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

CVE-2018-21170

2020-04-2718:15:12

CWE-787

[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 EX2700 before 1.0.1.28, R7800 before 1.0.2.40, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.

Affected configurations

Nvd

Node

netgearr7800_firmwareRange<1.0.2.40

AND

netgearr7800Match-

Node

netgearex2700_firmwareRange<1.0.1.28

AND

netgearex2700Match-

Node

netgearwn2000rpt_firmwareRange<1.0.1.20

AND

netgearwn2000rptMatchv3

Node

netgearwn3000rp_firmwareRange<1.0.2.50

AND

netgearwn3000rpMatchv3

Node

netgearwn3100rp_firmwareRange<1.0.0.56

AND

netgearwn3100rpMatchv2

VendorProductVersionCPE
netgearr7800_firmware*cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*
netgearr7800-cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*
netgearex2700_firmware*cpe:2.3:o:netgear:ex2700_firmware:*:*:*:*:*:*:*:*
netgearex2700-cpe:2.3:h:netgear:ex2700:-:*:*:*:*:*:*:*
netgearwn2000rpt_firmware*cpe:2.3:o:netgear:wn2000rpt_firmware:*:*:*:*:*:*:*:*
netgearwn2000rptv3cpe:2.3:h:netgear:wn2000rpt:v3:*:*:*:*:*:*:*
netgearwn3000rp_firmware*cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:*
netgearwn3000rpv3cpe:2.3:h:netgear:wn3000rp:v3:*:*:*:*:*:*:*
netgearwn3100rp_firmware*cpe:2.3:o:netgear:wn3100rp_firmware:*:*:*:*:*:*:*:*
netgearwn3100rpv2cpe:2.3:h:netgear:wn3100rp:v2:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
netgear	r7800_firmware	*	cpe:2.3:o:netgear:r7800_firmware::::::::
netgear	r7800	-	cpe:2.3:h:netgear:r7800:-:::::::*
netgear	ex2700_firmware	*	cpe:2.3:o:netgear:ex2700_firmware::::::::
netgear	ex2700	-	cpe:2.3:h:netgear:ex2700:-:::::::*
netgear	wn2000rpt_firmware	*	cpe:2.3:o:netgear:wn2000rpt_firmware::::::::
netgear	wn2000rpt	v3	cpe:2.3:h:netgear:wn2000rpt:v3:::::::*
netgear	wn3000rp_firmware	*	cpe:2.3:o:netgear:wn3000rp_firmware::::::::
netgear	wn3000rp	v3	cpe:2.3:h:netgear:wn3000rp:v3:::::::*
netgear	wn3100rp_firmware	*	cpe:2.3:o:netgear:wn3100rp_firmware::::::::
netgear	wn3100rp	v2	cpe:2.3:h:netgear:wn3100rp:v2:::::::*

References

kb.netgear.com/000055188/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Extenders-PSV-2017-2638

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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