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01 Record

CVE-2018-21178

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, WNDR4300 before

MediumPUBLISHEDCNA: mitre
CNA base score6.8 CVSS v3.xCVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N

02 Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, WNDR4300 before

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
0.59% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 48.1% of scored records. A rank, not a probability.
NVD base score
6.8 (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:H/I:H/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
2020-04-27 20:09Z6 YR AGO
Last updated
2024-08-05 12:26Z2 YR AGO
Reserved
2020-04-20
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Medium (CVSS 6.8)
CNA CVSS vector
CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N
Weaknesses
Data version
5.1
Document digest
0d7133395089abdbee8e7e81a650487a5c139b34a1b4809cdfea74fdca95659d

05 Affected products

VendorProductVersionsPlatforms
netgearr7800Not specified—
netgearr7800_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