Medium severity · published Dec 26, 2021
CVE-2021-45666
Certain NETGEAR devices are affected by stored XSS
4.8
CVSS
0.4%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.64, EX3700 before 1.0.0.90, EX3800 before 1.0.0.90, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, RBW30 before 2.6.1.4, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, and RBS40V before 2.6.1.4.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cbr40 Firmware · Netgear
before 2.5.0.10 · source: NVD
EF
Eax80 Firmware · Netgear
before 1.0.1.64 · source: NVD
EF
Ex3700 Firmware · Netgear
before 1.0.0.90 · source: NVD
EF
Ex3800 Firmware · Netgear
before 1.0.0.90 · source: NVD
EF
Ex6120 Firmware · Netgear
before 1.0.0.64 · source: NVD
EF
Ex6130 Firmware · Netgear
before 1.0.0.44 · source: NVD
EF
Ex7500 Firmware · Netgear
before 1.0.0.72 · source: NVD
RF
Rbk752 Firmware · Netgear
before 3.2.16.6 · source: NVD
RF
Rbk852 Firmware · Netgear
before 3.2.16.6 · source: NVD
RF
Rbr750 Firmware · Netgear
before 3.2.16.6 · source: NVD
RF
Rbr850 Firmware · Netgear
before 3.2.16.6 · source: NVD
RF
Rbs40v Firmware · Netgear
before 2.6.1.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45666
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45666
Patch
https://kb.netgear.com/000064121/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Extenders-and-WiFi-Systems-PSV-2020-0254
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