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Medium severity · published Apr 24, 2020
CVE-2018-21227
Certain NETGEAR devices are affected by command injection by an authenticated user
6.8
CVSS
0.8%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.34, R6400v2 before 1.0.2.34, R6700 before 1.0.1.30, R6900 before 1.0.1.30, R6900P before 1.0.0.62, R7000 before 1.0.9.12, R7000P before 1.0.0.62, R7500v2 before 1.0.3.26, R7800 before 1.0.2.42, R9000 before 1.0.3.10, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
D7800 Firmware · Netgear
before 1.0.1.34 · source: NVD
RF
R6400 Firmware · Netgear
before 1.0.2.34 · source: NVD
RF
R6700 Firmware · Netgear
before 1.0.1.30 · source: NVD
RF
R6900 Firmware · Netgear
before 1.0.1.30 · source: NVD
RF
R6900p Firmware · Netgear
before 1.0.0.62 · source: NVD
RF
R7000 Firmware · Netgear
before 1.0.9.12 · source: NVD
RF
R7000p Firmware · Netgear
before 1.0.0.62 · source: NVD
RF
R7500 Firmware · Netgear
before 1.0.3.26 · source: NVD
RF
R7800 Firmware · Netgear
before 1.0.2.42 · source: NVD
RF
R9000 Firmware · Netgear
before 1.0.3.10 · source: NVD
WF
Wndr4300 Firmware · Netgear
before 1.0.0.50 · source: NVD
WF
Wndr4500 Firmware · Netgear
before 1.0.0.50 · source: NVD
Affected product
DF
D7800 Firmware
Netgear
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-21227
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-21227
Vendor Advisory
https://kb.netgear.com/000055109/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Gateways-PSV-2017-0737
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