High severity · published Apr 28, 2020
CVE-2018-21217
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker
8.8
CVSS
0.8%
EPSS
No
On KEV
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, and R6100 before 1.0.1.20.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
D3600 Firmware · Netgear
before 1.0.0.67 · source: NVD
DF
D6000 Firmware · Netgear
before 1.0.0.67 · source: NVD
DF
D6100 Firmware · Netgear
before 1.0.0.56 · source: NVD
RF
R6100 Firmware · Netgear
before 1.0.1.20 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-21217
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-21217
Vendor Advisory
https://kb.netgear.com/000055120/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2484
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