Login Request a demo
Critical severity · published Apr 23, 2020
CVE-2018-21162
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker
9.8
CVSS
3.4%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D6400 before 1.0.0.78, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6250 before 1.0.4.8, R6300v2 before 1.0.4.6, R6400 before 1.0.1.12, R6700 before 1.0.1.16, R7000 before 1.0.7.10, R7100LG before 1.0.0.42, R7300DST before 1.0.0.44, R7900 before 1.0.1.12, R8000 before 1.0.3.36, R8300 before 1.0.2.74, R8500 before 1.0.2.74, WNDR3400v3 before 1.0.1.14, and WNR3500Lv2 before 1.2.0.48.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
D6400 Firmware · Netgear
before 1.0.0.78 · source: NVD
EF
Ex6200 Firmware · Netgear
before 1.0.3.86 · source: NVD
EF
Ex7000 Firmware · Netgear
before 1.0.0.64 · source: NVD
RF
R6250 Firmware · Netgear
before 1.0.4.8 · source: NVD
RF
R6300 Firmware · Netgear
before 1.0.4.6 · source: NVD
RF
R6400 Firmware · Netgear
before 1.0.1.12 · source: NVD
RF
R6700 Firmware · Netgear
before 1.0.1.16 · source: NVD
RF
R7000 Firmware · Netgear
before 1.0.7.10 · source: NVD
RF
R7100lg Firmware · Netgear
before 1.0.0.42 · source: NVD
RF
R7300dst Firmware · Netgear
before 1.0.0.44 · source: NVD
RF
R7900 Firmware · Netgear
before 1.0.1.12 · source: NVD
RF
R8000 Firmware · Netgear
before 1.0.3.36 · source: NVD
Affected product
DF
D6400 Firmware
Netgear
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-21162
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-21162
Vendor Advisory
https://kb.netgear.com/000059147/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Gateways-Routers-and-Extenders-PSV-2016-0074
More from D6400 Firmware
8.8
CVE-2016-6277
NETGEAR Multiple Routers Remote Code Execution Vulnerability
8.1
CVE-2017-5521
NETGEAR Multiple Devices Exposure of Sensitive Information Vulnerability
9.8
CVE-2021-45638
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker
9.8
CVE-2021-45610
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker
9.8
CVE-2021-45527
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user