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01 Record

CVE-2018-21141

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

MediumPUBLISHEDCNA: mitre
CNA base score4.5 CVSS v3.xCVSS:3.0/AC:L/AV:A/A:H/C:N/I:N/PR:H/S:U/UI:N

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.47% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 40.3% of scored records. A rank, not a probability.
NVD base score
4.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-04-21 20:57Z6 YR AGO
Last updated
2024-08-05 12:26Z2 YR AGO
Reserved
2020-04-20
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Medium (CVSS 4.5)
CNA CVSS vector
CVSS:3.0/AC:L/AV:A/A:H/C:N/I:N/PR:H/S:U/UI:N
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
7c4a91ccd9b7bb584e6470e5575f0149318e9f437cb273ffd14376d0ccc39ed2

05 Affected products

VendorProductVersionsPlatforms
netgearr6100Not specified—
netgearr6100_firmwareNot specified—
netgearr7500Not specified—
netgearr7500_firmwareNot specified—
netgearr7800Not specified—
netgearr7800_firmwareNot specified—
netgearr8900Not specified—
netgearr8900_firmwareNot specified—
netgearr9000Not specified—
netgearr9000_firmwareNot specified—
netgearwndr3700Not specified—
netgearwndr3700_firmwareNot specified—
netgearwndr4300Not specified—
netgearwndr4300_firmwareNot specified—
netgearwndr4500Not specified—
netgearwndr4500_firmwareNot specified—
netgearwnr2000Not specified—
netgearwnr2000_firmwareNot specified—

06 References