High severity · published Dec 26, 2021
CVE-2021-45640
Certain NETGEAR devices are affected by incorrect configuration of security settings
7.2
CVSS
0.6%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D3600 before 1.0.0.72, D6000 before 1.0.0.72, D6200 before 1.1.00.34, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7000 before 1.0.1.74, D7000v2 before 1.0.0.53, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DC112A before 1.0.0.42, DGN2200v4 before 1.0.0.110, DGND2200Bv4 before 1.0.0.109, DM200 before 1.0.0.61, EX3700 before 1.0.0.76, EX3800 before 1.0.0.76, EX6120 before 1.0.0.46, EX6130 before 1.0.0.28, EX7000 before 1.0.1.78, PR2000 before 1.0.0.28, R6220 before 1.1.0.100, R6230 before 1.1.0.100, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.6, R7000 before 1.0.9.34, R7100LG before 1.0.0.50, R7500v2 before 1.0.3.40, R7900P before 1.4.1.50, R8000P before 1.4.1.50, R8900 before 1.0.4.12, R9000 before 1.0.4.12, RBK20 before 2.3.0.28, RBK40 before 2.3.0.28, RBK50 before 2.3.0.32, RBR20 before 2.3.0.28, RBR40 before 2.3.0.28, RBR50 before 2.3.0.32, RBS20 before 2.3.0.28, RBS40 before 2.3.0.28, RBS50 before 2.3.0.32, WN3000RPv2 before 1.0.0.78, WNDR3400v3 before 1.0.1.24, WNR2000v5 before 1.0.0.70, WNR2020 before 1.1.0.62, WNR3500Lv2 before 1.2.0.62, XR450 before 2.3.2.56, and XR500 before 2.3.2.56.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
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 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
D3600 Firmware · Netgear
before 1.0.0.72 · source: NVD
DF
D6000 Firmware · Netgear
before 1.0.0.72 · source: NVD
DF
D6200 Firmware · Netgear
before 1.1.00.34 · source: NVD
DF
D6220 Firmware · Netgear
before 1.0.0.52 · source: NVD
DF
D6400 Firmware · Netgear
before 1.0.0.86 · source: NVD
DF
D7000 Firmware · Netgear
before 1.0.1.74 · source: NVD
DF
D7000v2 Firmware · Netgear
before 1.0.0.53 · source: NVD
DF
D7800 Firmware · Netgear
before 1.0.1.56 · source: NVD
DF
D8500 Firmware · Netgear
before 1.0.3.44 · source: NVD
DF
Dc112a Firmware · Netgear
before 1.0.0.42 · source: NVD
DF
Dgn2200bv4 Firmware · Netgear
before 1.0.0.109 · source: NVD
DF
Dgn2200v4 Firmware · Netgear
before 1.0.0.110 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45640
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45640
Patch
https://kb.netgear.com/000064045/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2018-0228
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