CVE-2018-21181

CVSS V2 Medium 6.5 CVSS V3 High 7.2

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.28, EX2700 before 1.0.1.32, EX6200v2 before 1.0.1.56, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.52, WN3100RPv2 before 1.0.0.42, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

Overview

CVE ID
CVE-2018-21181

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-04-28T13:15:12

Last Modified Date
2020-05-01T18:55:42

Weakness Enumerations

CWE	URL
CWE-787	http://cwe.mitre.org/data/definitions/787.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:o:netgear:d7800_firmware::::::::	1	OR	1.0.1.28
cpe:2.3:h:netgear:d7800:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex2700_firmware::::::::	1	OR	1.0.1.32
cpe:2.3:h:netgear:ex2700:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex6200_firmware::::::::	1	OR	1.0.1.56
cpe:2.3:h:netgear:ex6200:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7500_firmware::::::::	1	OR	1.0.3.24
cpe:2.3:h:netgear:r7500:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7800_firmware::::::::	1	OR	1.0.2.40
cpe:2.3:h:netgear:r7800:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r9000_firmware::::::::	1	OR	1.0.3.6
cpe:2.3:h:netgear:r9000:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:wn2000rpt_firmware::::::::	1	OR	1.0.1.20
cpe:2.3:h:netgear:wn2000rpt:v3:::::::*	0	OR
		AND
cpe:2.3:o:netgear:wn3000rp_firmware::::::::	1	OR	1.0.2.52
cpe:2.3:h:netgear:wn3000rp:v3:::::::*	0	OR
		AND
cpe:2.3:o:netgear:wn3100rp_firmware::::::::	1	OR	1.0.0.42
cpe:2.3:h:netgear:wn3100rp:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:wndr3700_firmware::::::::	1	OR	1.0.2.92
cpe:2.3:h:netgear:wndr3700:v4:::::::*	0	OR
		AND
cpe:2.3:o:netgear:wndr4300_firmware::::::::	1	OR	1.0.2.94
cpe:2.3:h:netgear:wndr4300:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:wndr4300_firmware::::::::	1	OR	1.0.0.50
cpe:2.3:h:netgear:wndr4300:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:wndr4500_firmware::::::::	1	OR	1.0.0.50
cpe:2.3:h:netgear:wndr4500:v3:::::::*	0	OR
		AND
cpe:2.3:o:netgear:wnr2000_firmware::::::::	1	OR	1.0.0.62
cpe:2.3:h:netgear:wnr2000:v5:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6.5

Severity
MEDIUM

Exploitability Score
8

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
HIGH

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.2

Base Severity
HIGH

Exploitability Score
1.2

Impact Score
5.9

References

Reference URL	Reference Tags
https://kb.netgear.com/000055177/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2618	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-21181
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-21181

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:34:36				Added to TrackCVE
2022-12-04 15:47:36	2020-04-28T13:15Z	2020-04-28T13:15:12	CVE Published Date	updated
2022-12-04 15:47:36		2020-05-01T18:55:42	CVE Modified Date	updated
2022-12-04 15:47:36		Analyzed	Vulnerability Status	updated