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[email protected]CVE-2018-21220

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

CVE-2018-21220

2020-04-2816:15:14

CWE-120

[email protected]

web.nvd.nist.gov

cve

2018

21220

netgear

buffer overflow

vulnerability

d3600

d6000

d6100

d7800

r6100

r7500

r7500v2

r9000

wndr3700v4

wndr4300

wndr4300v2

wndr4500v3

wnr2000v5

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 buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, 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-

Node

netgeard6100_firmwareRange<1.0.0.56

AND

netgeard6100Match-

CPENameOperatorVersion
netgear:wnr2000_firmwarenetgear wnr2000 firmwarelt1.0.0.62

CPE	Name	Operator	Version
netgear:wnr2000_firmware	netgear wnr2000 firmware	lt	1.0.0.62

References

kb.netgear.com/000055117/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2481

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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