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[email protected]CVE-2018-21156

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

CVE-2018-21156

2020-04-2718:15:12

CWE-120

[email protected]

web.nvd.nist.gov

netgear

buffer overflow

cve-2018-21156

security

vulnerability

nvd

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

40.5%

JSON

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6220 before 1.0.0.38, D6400 before 1.0.0.74, D7000v2 before 1.0.0.74, D8500 before 1.0.3.39, DGN2200v4 before 1.0.0.102, DGN2200Bv4 before 1.0.0.102, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.22, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150 before 1.0.0.38, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6250 before 1.0.4.20, R6300v2 before 1.0.4.22, R6400 before 1.0.1.32, R6400v2 before 1.0.2.52, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R6900P before 1.3.0.18, R7000 before 1.0.9.28, R7000P before 1.3.0.18, R7300DST before 1.0.0.62, R7900 before 1.0.2.10, R7900P before 1.3.0.10, R8000 before 1.0.4.12, R8000P before 1.3.0.10, R8300 before 1.0.2.116, R8500 before 1.0.2.116, WN2500RPv2 before 1.0.1.52, WNDR3400v3 before 1.0.1.18, and WNR3500Lv2 before 1.2.0.46.

Affected configurations

NVD

Node

netgeard6220_firmwareRange<1.0.0.38

AND

netgeard6220Match-

Node

netgeard6400_firmwareRange<1.0.0.74

AND

netgeard6400Match-

Node

netgeard7000_firmwareRange<1.0.0.74

AND

netgeard7000Matchv2

Node

netgeard8500_firmwareRange<1.0.3.39

AND

netgeard8500Match-

Node

netgeardgn2200_firmwareRange<1.0.0.102

AND

netgeardgn2200Matchv4

Node

netgeardgn2200b_firmwareRange<1.0.0.102

AND

netgeardgn2200bMatchv4

Node

netgearex3700_firmwareRange<1.0.0.70

AND

netgearex3700Match-

Node

netgearex3800_firmwareRange<1.0.0.70

AND

netgearex3800Match-

Node

netgearex6000_firmwareRange<1.0.0.30

AND

netgearex6000Match-

Node

netgearex6100_firmwareRange<1.0.2.22

AND

netgearex6100Match-

Node

netgearex6120_firmwareRange<1.0.0.40

AND

netgearex6120Match-

Node

netgearex6130_firmwareRange<1.0.0.22

AND

netgearex6130Match-

Node

netgearex6150_firmwareRange<1.0.0.38

AND

netgearex6150Match-

Node

netgearex6200_firmwareRange<1.0.3.86

AND

netgearex6200Match-

Node

netgearex7000_firmwareRange<1.0.0.64

AND

netgearex7000Match-

Node

netgearr6250_firmwareRange<1.0.4.20

AND

netgearr6250Match-

Node

netgearr6300_firmwareRange<1.0.4.22

AND

netgearr6300Matchv2

Node

netgearr6400_firmwareRange<1.0.1.32

AND

netgearr6400Match-

Node

netgearr6400_firmwareRange<1.0.2.52

AND

netgearr6400Matchv2

Node

netgearr6700_firmwareRange<1.0.1.44

AND

netgearr6700Match-

Node

netgearr6900_firmwareRange<1.0.1.44

AND

netgearr6900Match-

Node

netgearr6900p_firmwareRange<1.3.0.18

AND

netgearr6900pMatch-

Node

netgearr7000_firmwareRange<1.0.9.28

AND

netgearr7000Match-

Node

netgearr7000p_firmwareRange<1.3.0.18

AND

netgearr7000pMatch-

Node

netgearr7300dst_firmwareRange<1.0.0.62

AND

netgearr7300dstMatch-

Node

netgearr7900_firmwareRange<1.0.2.10

AND

netgearr7900Match-

Node

netgearr7900p_firmwareRange<1.3.0.10

AND

netgearr7900pMatch-

Node

netgearr8000_firmwareRange<1.0.4.12

AND

netgearr8000Match-

Node

netgearr8000p_firmwareRange<1.3.0.10

AND

netgearr8000pMatch-

Node

netgearr8300_firmwareRange<1.0.2.116

AND

netgearr8300Match-

Node

netgearr8500_firmwareRange<1.0.2.116

AND

netgearr8500Match-

Node

netgearwn2500rp_firmwareRange<1.0.1.52

AND

netgearwn2500rpMatchv2

Node

netgearwndr3400_firmwareRange<1.0.1.18

AND

netgearwndr3400Matchv3

Node

netgearwnr3500l_firmwareRange<1.2.0.46

AND

netgearwnr3500lMatchv2

CPENameOperatorVersion
netgear:d6220_firmwarenetgear d6220 firmwarelt1.0.0.38

CPE	Name	Operator	Version
netgear:d6220_firmware	netgear d6220 firmware	lt	1.0.0.38

References

kb.netgear.com/000059474/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Gateways-Routers-and-Extenders-PSV-2017-2460

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

40.5%

JSON

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