Medium severity · published Dec 26, 2021
CVE-2021-45543
Certain NETGEAR devices are affected by command injection by an authenticated user
6.8
CVSS
0.6%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, R7900P before 1.4.2.84, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, and RBK852 before 3.2.17.12.
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)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
R7900p Firmware · Netgear
1.4.2.84 · source: NVD
RF
R8000 Firmware · Netgear
before 1.0.4.74 · source: NVD
RF
R8000p Firmware · Netgear
before 1.4.2.84 · source: NVD
RF
Rax200 Firmware · Netgear
before 1.0.4.120 · source: NVD
RF
Rbk852 Firmware · Netgear
before 3.2.17.12 · source: NVD
RF
Rbr850 Firmware · Netgear
before 3.2.17.12 · source: NVD
RF
Rbs850 Firmware · Netgear
before 3.2.17.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45543
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45543
Patch
https://kb.netgear.com/000064517/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0541
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