Vulnerability identifier: #VU10434

Vulnerability risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
D8500
Hardware solutions / Routers for home users
R6100
Hardware solutions / Routers for home users
R6400v2
Hardware solutions / Routers for home users
R6400
Hardware solutions / Routers for home users
R8300
Hardware solutions / Routers for home users
R8500
Hardware solutions / Routers for home users

Vendor: NETGEAR

Description
The vulnerability allows an local root-privileged attacker to execute shell commands on the target system.

The weakness exists due to post-authentication command injection. A local attacker can use the device_name parameter on the lan.cgi page to inject and execute arbitrary commands with root privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to the latest version.

Vulnerable software versions

D8500: All versions

R6100: All versions

R6400v2: All versions

R6400: All versions

R8300: All versions

R8500: All versions

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External links
http://kb.netgear.com/000045850/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Modem-Routers-PSV-2017-1207

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.