High severity · published Dec 26, 2021
CVE-2021-45534
Certain NETGEAR devices are affected by command injection by an authenticated user
7.8
CVSS
1.1%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects AC2100 before 1.2.0.88, AC2400 before 1.2.0.88, AC2600 before 1.2.0.88, D7000 before 1.0.1.82, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.84, R6330 before 1.1.0.84, R6350 before 1.1.0.84, R6700v2 before 1.2.0.88, R6800 before 1.2.0.88, R6850 before 1.1.0.84, R6900v2 before 1.2.0.88, R7200 before 1.2.0.88, R7350 before 1.2.0.88, R7400 before 1.2.0.88, and R7450 before 1.2.0.88.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ac2100 Firmware · Netgear
before 1.2.0.88 · source: NVD
AF
Ac2400 Firmware · Netgear
before 1.2.0.88 · source: NVD
AF
Ac2600 Firmware · Netgear
before 1.2.0.88 · source: NVD
DF
D7000 Firmware · Netgear
before 1.0.1.82 · source: NVD
RF
R6220 Firmware · Netgear
before 1.1.0.110 · source: NVD
RF
R6230 Firmware · Netgear
before 1.1.0.110 · source: NVD
RF
R6260 Firmware · Netgear
before 1.1.0.84 · source: NVD
RF
R6330 Firmware · Netgear
before 1.1.0.84 · source: NVD
RF
R6350 Firmware · Netgear
before 1.1.0.84 · source: NVD
RF
R6700v2 Firmware · Netgear
before 1.2.0.88 · source: NVD
RF
R6800 Firmware · Netgear
before 1.2.0.88 · source: NVD
RF
R6850 Firmware · Netgear
before 1.1.0.84 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45534
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45534
Third Party Advisory
https://immersivelabs.com/resources/blog/netgear-vulnerabilities-could-put-small-business-routers-at-risk/
Patch
https://kb.netgear.com/000064406/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-DSL-Modem-Routers-PSV-2021-0172
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