CVE-2018-21134

CVSS V2 High 7.5 CVSS V3 Critical 9.8

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6700 before 1.0.1.48, R7900 before 1.0.2.16, R6900 before 1.0.1.48, R7000P before 1.3.1.44, R6900P before 1.3.1.44, R6250 before 1.0.4.30, R6300v2 before 1.0.4.32, R6400 before 1.0.1.44, R6400v2 before 1.0.2.60, R7000 before 1.0.9.34, R7100LG before 1.0.0.48, R7300 before 1.0.0.68, R8000 before 1.0.4.18, R8000P before 1.4.1.24, R7900P before 1.4.1.24, R8500 before 1.0.2.122, R8300 before 1.0.2.122, WN2500RPv2 before 1.0.1.54, EX3700 before 1.0.0.72, EX3800 before 1.0.0.72, EX6000 before 1.0.0.32, EX6100 before 1.0.2.24, EX6120 before 1.0.0.42, EX6130 before 1.0.0.24, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, D7000v2 before 1.0.0.51, D6220 before 1.0.0.46, D6400 before 1.0.0.82, and D8500 before 1.0.3.42.

Overview

CVE ID
CVE-2018-21134

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-04-23T20:15:12

Last Modified Date
2020-05-04T14:52:34

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:r6700_firmware::::::::	1	OR	1.0.1.48
cpe:2.3:h:netgear:r6700:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7900_firmware::::::::	1	OR	1.0.2.16
cpe:2.3:h:netgear:r7900:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6900_firmware::::::::	1	OR	1.0.1.48
cpe:2.3:h:netgear:r6900:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7000p_firmware::::::::	1	OR	1.3.1.44
cpe:2.3:h:netgear:r7000p:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6900p_firmware::::::::	1	OR	1.3.1.44
cpe:2.3:h:netgear:r6900p:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6250_firmware::::::::	1	OR	1.0.4.30
cpe:2.3:h:netgear:r6250:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6300_firmware::::::::	1	OR	1.0.4.32
cpe:2.3:h:netgear:r6300:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6400_firmware::::::::	1	OR	1.0.1.44
cpe:2.3:h:netgear:r6400:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r6400_firmware::::::::	1	OR	1.0.2.60
cpe:2.3:h:netgear:r6400:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7000_firmware::::::::	1	OR	1.0.9.34
cpe:2.3:h:netgear:r7000:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7100lg_firmware::::::::	1	OR	1.0.0.48
cpe:2.3:h:netgear:r7100lg:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7300_firmware::::::::	1	OR	1.0.0.68
cpe:2.3:h:netgear:r7300:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r8000_firmware::::::::	1	OR	1.0.4.18
cpe:2.3:h:netgear:r8000:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r8000p_firmware::::::::	1	OR	1.4.1.24
cpe:2.3:h:netgear:r8000p:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r7900p_firmware::::::::	1	OR	1.4.1.24
cpe:2.3:h:netgear:r7900p:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r8500_firmware::::::::	1	OR	1.0.2.122
cpe:2.3:h:netgear:r8500:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:r8300_firmware::::::::	1	OR	1.0.2.122
cpe:2.3:h:netgear:r8300:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:wn2500rp_firmware::::::::	1	OR	1.0.1.54
cpe:2.3:h:netgear:wn2500rp:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex3700_firmware::::::::	1	OR	1.0.0.72
cpe:2.3:h:netgear:ex3700:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex3800_firmware::::::::	1	OR	1.0.0.72
cpe:2.3:h:netgear:ex3800:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex6000_firmware::::::::	1	OR	1.0.0.32
cpe:2.3:h:netgear:ex6000:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex6100_firmware::::::::	1	OR	1.0.2.24
cpe:2.3:h:netgear:ex6100:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex6120_firmware::::::::	1	OR	1.0.0.42
cpe:2.3:h:netgear:ex6120:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex6130_firmware::::::::	1	OR	1.0.0.24
cpe:2.3:h:netgear:ex6130:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex6150_firmware::::::::	1	OR	1.0.0.42
cpe:2.3:h:netgear:ex6150:v1:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex6200_firmware::::::::	1	OR	1.0.3.88
cpe:2.3:h:netgear:ex6200:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:ex7000_firmware::::::::	1	OR	1.0.0.66
cpe:2.3:h:netgear:ex7000:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:d7000_firmware::::::::	1	OR	1.0.0.51
cpe:2.3:h:netgear:d7000:v2:::::::*	0	OR
		AND
cpe:2.3:o:netgear:d6220_firmware::::::::	1	OR	1.0.0.46
cpe:2.3:h:netgear:d6220:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:d6400_firmware::::::::	1	OR	1.0.0.82
cpe:2.3:h:netgear:d6400:-:::::::*	0	OR
		AND
cpe:2.3:o:netgear:d8500_firmware::::::::	1	OR	1.0.3.42
cpe:2.3:h:netgear:d8500:-:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
7.5

Severity
HIGH

Exploitability Score
10

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://kb.netgear.com/000060226/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Wireless-Extenders-PSV-2017-2019	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-21134
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-21134

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:34:23				Added to TrackCVE
2022-12-04 15:35:06	2020-04-23T20:15Z	2020-04-23T20:15:12	CVE Published Date	updated
2022-12-04 15:35:06		2020-05-04T14:52:34	CVE Modified Date	updated
2022-12-04 15:35:06		Analyzed	Vulnerability Status	updated