High severity · published Dec 26, 2021
CVE-2021-45530
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user
8.8
CVSS
0.9%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.4.120, R7900P before 1.4.2.84, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.4.120.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
R7000 Firmware · Netgear
before 1.0.11.126 · source: NVD
RF
R7000p Firmware · Netgear
before 1.4.2.84 · source: NVD
RF
R7960p Firmware · Netgear
before 1.4.2.84 · source: NVD
RF
R8000 Firmware · Netgear
before 1.0.4.74 · source: NVD
RF
R8000p Firmware · Netgear
before 1.4.2.84 · source: NVD
RF
Rax15 Firmware · Netgear
before 1.0.2.82 · source: NVD
RF
Rax20 Firmware · Netgear
before 1.0.2.82 · source: NVD
RF
Rax200 Firmware · Netgear
before 1.0.4.120 · source: NVD
RF
Rax45 Firmware · Netgear
before 1.0.2.82 · source: NVD
RF
Rax50 Firmware · Netgear
before 1.0.2.82 · source: NVD
RF
Rax75 Firmware · Netgear
before 1.0.4.120 · source: NVD
RF
Rax80 Firmware · Netgear
before 1.0.4.120 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45530
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45530
Patch
https://kb.netgear.com/000064486/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0320
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