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Critical severity · published Dec 26, 2021
CVE-2021-45508
Certain NETGEAR devices are affected by authentication bypass
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, and RBR850 before 3.2.17.12.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cbr40 Firmware · Netgear
before 2.5.0.24 · source: NVD
CF
Cbr750 Firmware · Netgear
before 4.6.3.6 · source: NVD
RF
Rbk752 Firmware · Netgear
before 3.2.17.12 · source: NVD
RF
Rbk852 Firmware · Netgear
before 3.2.17.12 · source: NVD
RF
Rbr750 Firmware · Netgear
before 3.2.17.12 · source: NVD
RF
Rbr850 Firmware · Netgear
before 3.2.17.12 · source: NVD
RF
Rbs750 Firmware · Netgear
before 3.2.17.12 · source: NVD
Affected product
CF
Cbr40 Firmware
Netgear
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45508
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45508
Patch
https://kb.netgear.com/000064133/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0490
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