CVE-2018-21141

Severity Score

4.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Certain NETGEAR devices are affected by denial of service. This affects R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.

Ciertos dispositivos NETGEAR se ven afectados por la denegación de servicio. Esto afecta a R6100 en versiones anteriores a la 1.0.1.22, R7500 en versiones anteriores a la 1.0.0.122, R7800 en versiones anteriores a la 1.0.2.42, R8900 en versiones anteriores a la 1.0.3.10, R9000 en versiones anteriores a la 1.0.3.10, WNDR3700v4 en versiones anteriores a la 1.0.2.96, WNDR4300 en versiones anteriores a la 1.0.2.98, WNDR4300v2 en versiones anteriores a la 1.0.0.54, WNDR4500v3 en versiones anteriores a la 1.0.0.54 y WNR2000v5 en versiones anteriores a la 1.0.0.64.

*Credits: N/A

CVSS Scores

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Adjacent

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-04-20 CVE Reserved
2020-04-21 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://kb.netgear.com/000059492/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-3168	2020-04-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Netgear Search vendor "Netgear"	R6100 Firmware Search vendor "Netgear" for product "R6100 Firmware"	< 1.0.1.22 Search vendor "Netgear" for product "R6100 Firmware" and version " < 1.0.1.22"	-	Affected	in	Netgear Search vendor "Netgear"	R6100 Search vendor "Netgear" for product "R6100"	-	-	Safe
Netgear Search vendor "Netgear"	R7500 Firmware Search vendor "Netgear" for product "R7500 Firmware"	< 1.0.0.122 Search vendor "Netgear" for product "R7500 Firmware" and version " < 1.0.0.122"	-	Affected	in	Netgear Search vendor "Netgear"	R7500 Search vendor "Netgear" for product "R7500"	-	-	Safe
Netgear Search vendor "Netgear"	R7800 Firmware Search vendor "Netgear" for product "R7800 Firmware"	< 1.0.2.42 Search vendor "Netgear" for product "R7800 Firmware" and version " < 1.0.2.42"	-	Affected	in	Netgear Search vendor "Netgear"	R7800 Search vendor "Netgear" for product "R7800"	-	-	Safe
Netgear Search vendor "Netgear"	R8900 Firmware Search vendor "Netgear" for product "R8900 Firmware"	< 1.0.3.10 Search vendor "Netgear" for product "R8900 Firmware" and version " < 1.0.3.10"	-	Affected	in	Netgear Search vendor "Netgear"	R8900 Search vendor "Netgear" for product "R8900"	-	-	Safe
Netgear Search vendor "Netgear"	R9000 Firmware Search vendor "Netgear" for product "R9000 Firmware"	< 1.0.3.10 Search vendor "Netgear" for product "R9000 Firmware" and version " < 1.0.3.10"	-	Affected	in	Netgear Search vendor "Netgear"	R9000 Search vendor "Netgear" for product "R9000"	-	-	Safe
Netgear Search vendor "Netgear"	Wndr3700 Firmware Search vendor "Netgear" for product "Wndr3700 Firmware"	< 1.0.2.96 Search vendor "Netgear" for product "Wndr3700 Firmware" and version " < 1.0.2.96"	-	Affected	in	Netgear Search vendor "Netgear"	Wndr3700 Search vendor "Netgear" for product "Wndr3700"	v4 Search vendor "Netgear" for product "Wndr3700" and version "v4"	-	Safe
Netgear Search vendor "Netgear"	Wndr4300 Firmware Search vendor "Netgear" for product "Wndr4300 Firmware"	< 1.0.2.98 Search vendor "Netgear" for product "Wndr4300 Firmware" and version " < 1.0.2.98"	-	Affected	in	Netgear Search vendor "Netgear"	Wndr4300 Search vendor "Netgear" for product "Wndr4300"	-	-	Safe
Netgear Search vendor "Netgear"	Wndr4300 Firmware Search vendor "Netgear" for product "Wndr4300 Firmware"	< 1.0.0.54 Search vendor "Netgear" for product "Wndr4300 Firmware" and version " < 1.0.0.54"	-	Affected	in	Netgear Search vendor "Netgear"	Wndr4300 Search vendor "Netgear" for product "Wndr4300"	v2 Search vendor "Netgear" for product "Wndr4300" and version "v2"	-	Safe
Netgear Search vendor "Netgear"	Wndr4500 Firmware Search vendor "Netgear" for product "Wndr4500 Firmware"	< 1.0.0.54 Search vendor "Netgear" for product "Wndr4500 Firmware" and version " < 1.0.0.54"	-	Affected	in	Netgear Search vendor "Netgear"	Wndr4500 Search vendor "Netgear" for product "Wndr4500"	v3 Search vendor "Netgear" for product "Wndr4500" and version "v3"	-	Safe
Netgear Search vendor "Netgear"	Wnr2000 Firmware Search vendor "Netgear" for product "Wnr2000 Firmware"	< 1.0.0.64 Search vendor "Netgear" for product "Wnr2000 Firmware" and version " < 1.0.0.64"	-	Affected	in	Netgear Search vendor "Netgear"	Wnr2000 Search vendor "Netgear" for product "Wnr2000"	v5 Search vendor "Netgear" for product "Wnr2000" and version "v5"	-	Safe