Critical severity · published Dec 26, 2021
CVE-2021-45620
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker
9.8
CVSS
2%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, EAX20 before 1.0.0.58, EAX80 before 1.0.1.68, LAX20 before 1.1.6.28, MR60 before 1.0.6.116, MR80 before 1.1.2.20, MS60 before 1.0.6.116, MS80 before 1.1.2.20, MK62 before 1.0.6.116, MK83 before 1.1.2.20, R6400 before 1.0.1.70, R6400v2 before 1.0.4.106, R6700v3 before 1.0.4.106, R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, R7850 before 1.0.5.74, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX15 before 1.0.3.96, RAX20 before 1.0.3.96, RAX200 before 1.0.4.120, RAX35v2 before 1.0.3.96, RAX40v2 before 1.0.3.96, RAX43 before 1.0.3.96, RAX45 before 1.0.3.96, RAX50 before 1.0.3.96, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RS400 before 1.5.1.80, XR1000 before 1.0.0.58, and XR300 before 1.0.3.68.
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)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cbr40 Firmware · Netgear
before 2.5.0.24 · source: NVD
CF
Cbr750 Firmware · Netgear
before 4.6.3.6 · source: NVD
EF
Eax20 Firmware · Netgear
before 1.0.0.58 · source: NVD
EF
Eax80 Firmware · Netgear
before 1.0.1.68 · source: NVD
LF
Lax20 Firmware · Netgear
before 1.1.6.28 · source: NVD
MF
Mk62 Firmware · Netgear
before 1.0.6.116 · source: NVD
MF
Mk83 Firmware · Netgear
before 1.1.2.20 · source: NVD
MF
Mr60 Firmware · Netgear
before 1.0.6.116 · source: NVD
MF
Mr80 Firmware · Netgear
before 1.1.2.20 · source: NVD
MF
Ms60 Firmware · Netgear
before 1.0.6.116 · source: NVD
MF
Ms80 Firmware · Netgear
before 1.1.2.20 · source: NVD
RF
R6400 Firmware · Netgear
before 1.0.1.70 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45620
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45620
Vendor Advisory
https://kb.netgear.com/000064510/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0509
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