High severity · published Dec 26, 2021
CVE-2021-45642
Certain NETGEAR devices are affected by incorrect configuration of security settings
7.2
CVSS
1%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D7800 before 1.0.1.64, EX6250 before 1.0.0.134, EX7700 before 1.0.0.222, LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, R8900 before 1.0.5.26, R9000 before 1.0.5.26, XR450 before 2.3.2.66, XR500 before 2.3.2.66, XR700 before 1.0.1.36, EX7320 before 1.0.0.134, RAX120 before 1.2.2.24, EX7300v2 before 1.0.0.134, RAX120v2 before 1.2.2.24, EX6410 before 1.0.0.134, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, EX6420 before 1.0.0.134, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, EX6400v2 before 1.0.0.134, RBK12 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.
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)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
D7800 Firmware · Netgear
before 1.0.1.64 · source: NVD
EF
Ex6250 Firmware · Netgear
before 1.0.0.134 · source: NVD
EF
Ex6400v2 Firmware · Netgear
before 1.0.0.134 · source: NVD
EF
Ex6410 Firmware · Netgear
before 1.0.0.134 · source: NVD
EF
Ex6420 Firmware · Netgear
before 1.0.0.134 · source: NVD
EF
Ex7300v2 Firmware · Netgear
before 1.0.0.134 · source: NVD
EF
Ex7320 Firmware · Netgear
before 1.0.0.134 · source: NVD
EF
Ex7700 Firmware · Netgear
before 1.0.0.222 · source: NVD
LF
Lbr20 Firmware · Netgear
before 2.6.3.50 · source: NVD
RF
R8900 Firmware · Netgear
before 1.0.5.26 · source: NVD
RF
R9000 Firmware · Netgear
before 1.0.5.26 · source: NVD
RF
Rax120 Firmware · Netgear
before 1.2.2.24 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45642
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45642
Patch
https://kb.netgear.com/000064491/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0427
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