CVE-2018-21166 : Certain NETGEAR devices are affected by denial of service. This affects R6100 be

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.

Published 2020-04-23 22:15:13

Updated 2020-05-01 16:08:03

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2018-21166

Netgear » Wndr4500 Firmware
Versions before (<) 1.0.0.54
cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wndr4500 » Version: V3
Netgear » Wnr2000 Firmware
Versions before (<) 1.0.0.64
cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wnr2000 » Version: V5
Netgear » R6100 Firmware
Versions before (<) 1.0.1.22
cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6100 » Version: N/A
Netgear » R7500 Firmware
Versions before (<) 1.0.0.122
cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7500 » Version: N/A
Netgear » Wndr3700 Firmware
Versions before (<) 1.0.2.96
cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wndr3700 » Version: V4
Netgear » Wndr4300 Firmware
Versions before (<) 1.0.0.54
cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wndr4300 » Version: V2
Netgear » Wndr4300 Firmware
Versions before (<) 1.0.2.98
cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wndr4300 » Version: N/A
Netgear » R7800 Firmware
Versions before (<) 1.0.2.42
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7800 » Version: N/A
Netgear » R9000 Firmware
Versions before (<) 1.0.3.10
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R9000 » Version: N/A
Netgear » R8900 Firmware
Versions before (<) 1.0.3.10
cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8900 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2018-21166

EPSS FAQ

0.34%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 54 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-21166

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:N/I:N/A:P	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
4.5	MEDIUM	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	0.9	3.6	MITRE
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
4.9	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	1.2	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

References for CVE-2018-21166

https://kb.netgear.com/000055193/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-3167

Security Advisory for Denial of Service on Some Routers, PSV-2017-3167 | Answer | NETGEAR Support
Vendor Advisory

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Vulnerability Details : CVE-2018-21166

Products affected by CVE-2018-21166

Exploit prediction scoring system (EPSS) score for CVE-2018-21166

CVSS scores for CVE-2018-21166

References for CVE-2018-21166