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High severity · published Apr 28, 2020
CVE-2018-21215
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, EX2700 before 1.0.1.28, R7500v2 before 1.0.3.24, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.
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 56% 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
EF
Ex2700 Firmware · Netgear
before 1.0.1.28 · source: NVD
RF
R7500 Firmware · Netgear
before 1.0.3.24 · source: NVD
RF
R9000 Firmware · Netgear
before 1.0.2.52 · source: NVD
WF
Wn2000rpt Firmware · Netgear
before 1.0.1.20 · source: NVD
WF
Wn3000rp Firmware · Netgear
before 1.0.2.50 · source: NVD
WF
Wn3100rp Firmware · Netgear
before 1.0.0.56 · source: NVD
Affected product
DF
D3600 Firmware
Netgear
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-21215
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-21215
Vendor Advisory
https://kb.netgear.com/000055122/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2486
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