Vulnerability identifier: #VU70064

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-77

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
R6700v3
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6400v2
Hardware solutions / Routers for home users

Vendor:

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation. A remote attacker on the local network can pass specially crafted data to the application and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://kb.netgear.com/000065382/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0289

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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