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01 Record

CVE-2017-18739

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before

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 R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 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
0.56% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 46.6% 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
2020-04-23 16:02Z6 YR AGO
Last updated
2024-08-05 21:37Z2 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
b39086e5169d314d47ddae3a48ba6010f0aa7bb92210709ae64d34e866592d77

05 Affected products

VendorProductVersionsPlatforms
netgearr6220Not specified—
netgearr6220_firmwareNot specified—
netgearr7800Not specified—
netgearr7800_firmwareNot specified—
netgearwndr3400Not specified—
netgearwndr3400_firmwareNot specified—
netgearwndr3700Not specified—
netgearwndr3700_firmwareNot specified—

06 References