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01 Record

CVE-2018-21218

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, D7800 before 1.0.1.30, R6100

HighPUBLISHEDCNA: mitre
CNA base score8.8 CVSS v3.xCVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N

02 Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, D7800 before 1.0.1.30, R6100

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
0.75% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 54.6% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/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
2020-04-28 15:43Z6 YR AGO
Last updated
2024-08-05 12:26Z2 YR AGO
Reserved
2020-04-20
Assigning CNA
mitre
Record state
PUBLISHED
Severity
High (CVSS 8.8)
CNA CVSS vector
CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
44d93dbb4eda462a33aa3ac21057e32286d43c02bc5d9ff1dbccc233df9f066e

05 Affected products

VendorProductVersionsPlatforms
netgeard3600Not specified—
netgeard3600_firmwareNot specified—
netgeard6000Not specified—
netgeard6000_firmwareNot specified—
netgeard6100Not specified—
netgeard6100_firmwareNot specified—
netgeard7800Not specified—
netgeard7800_firmwareNot specified—
netgearr6100Not specified—
netgearr6100_firmwareNot specified—
netgearr7500Not specified—
netgearr7500_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