Code Injection in NETGEAR products - CVE-2021-40847
Published: September 22, 2021
Vulnerability identifier: #VU56818
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-40847
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: NETGEAR
Affected software:
R6400v2
R6700
R6900
R6900P
R7000
R7000P
R7850
R7900
R8000
RS400
R6700v3
R6400v2
R6700
R6900
R6900P
R7000
R7000P
R7850
R7900
R8000
RS400
R6700v3
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in the circled update daemon. A remote attacker can execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2021-40847
Install updates from vendor's website.