Critical severity · published Dec 26, 2021
CVE-2021-45611
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects DC112A before 1.0.0.52, R6400 before 1.0.1.68, RAX200 before 1.0.3.106, WNDR3400v3 before 1.0.1.38, XR300 before 1.0.3.68, R8500 before 1.0.2.144, RAX75 before 1.0.3.106, R8300 before 1.0.2.144, and RAX80 before 1.0.3.106.
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 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
Dc112a Firmware · Netgear
before 1.0.0.52 · source: NVD
RF
R6400 Firmware · Netgear
before 1.0.1.68 · source: NVD
RF
R8300 Firmware · Netgear
before 1.0.2.144 · source: NVD
RF
R8500 Firmware · Netgear
before 1.0.2.144 · source: NVD
RF
Rax200 Firmware · Netgear
before 1.0.3.106 · source: NVD
RF
Rax75 Firmware · Netgear
before 1.0.3.106 · source: NVD
RF
Rax80 Firmware · Netgear
before 1.0.3.106 · source: NVD
WF
Wndr3400v3 Firmware · Netgear
before 1.0.1.38 · source: NVD
XF
Xr300 Firmware · Netgear
before 1.0.3.68 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45611
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45611
Patch
https://kb.netgear.com/000064488/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0323
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