High severity · published Dec 26, 2021
CVE-2021-45529
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user
7.2
CVSS
0.5%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects CBR40 before 2.3.5.12, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.2.124, R7000P before 1.3.2.124, R7900 before 1.0.4.30, R8000 before 1.0.4.52, and WNR3500Lv2 before 1.2.0.62.
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)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cbr40 Firmware · Netgear
before 2.3.5.12 · source: NVD
DF
D7000v2 Firmware · Netgear
before 1.0.0.66 · source: NVD
DF
D8500 Firmware · Netgear
before 1.0.3.58 · source: NVD
RF
R6400 Firmware · Netgear
before 1.0.1.70 · source: NVD
RF
R6900p Firmware · Netgear
before 1.3.2.124 · source: NVD
RF
R7000 Firmware · Netgear
before 1.0.11.126 · source: NVD
RF
R7000p Firmware · Netgear
before 1.3.2.124 · source: NVD
RF
R7900 Firmware · Netgear
before 1.0.4.30 · source: NVD
RF
R8000 Firmware · Netgear
before 1.0.4.52 · source: NVD
WF
Wnr3500lv2 Firmware · Netgear
before 1.2.0.62 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45529
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45529
Patch
https://kb.netgear.com/000064058/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0077
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