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High severity · published Dec 26, 2021
CVE-2021-45551
Certain NETGEAR devices are affected by command injection by an authenticated user
8.8
CVSS
1.5%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D6200 before 1.1.00.40, D7000 before 1.0.1.78, R6020 before 1.0.0.42, R6080 before 1.0.0.42, R6050 before 1.0.1.26, JR6150 before 1.0.1.26, R6120 before 1.0.0.66, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.64, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, AC2600 before 1.2.0.62, and WNR2020 before 1.1.0.62.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ac2100 Firmware · Netgear
before 1.2.0.62 · source: NVD
AF
Ac2400 Firmware · Netgear
before 1.2.0.62 · source: NVD
AF
Ac2600 Firmware · Netgear
before 1.2.0.62 · source: NVD
DF
D6200 Firmware · Netgear
before 1.1.00.40 · source: NVD
DF
D7000 Firmware · Netgear
before 1.0.1.78 · source: NVD
JF
Jr6150 Firmware · Netgear
before 1.0.1.26 · source: NVD
RF
R6020 Firmware · Netgear
before 1.0.0.42 · source: NVD
RF
R6050 Firmware · Netgear
before 1.0.1.26 · source: NVD
RF
R6080 Firmware · Netgear
before 1.0.0.42 · source: NVD
RF
R6120 Firmware · Netgear
before 1.0.0.66 · source: NVD
RF
R6220 Firmware · Netgear
before 1.1.0.110 · source: NVD
RF
R6230 Firmware · Netgear
before 1.1.0.110 · source: NVD
Affected product
AF
Ac2100 Firmware
Netgear
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45551
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45551
Patch
https://kb.netgear.com/000064056/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0022
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