Command Injection in NETGEAR R6400v2 and R6700v3



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-77
Exploitation vector Local
Public exploit N/A
Vulnerable software
 R6400v2
Hardware solutions / Routers for home users

R6700v3
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor NETGEAR

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Command Injection

EUVDB-ID: #VU70034

Risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation. An attacker with physical access 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

R6400v2: before 1.0.4.122

R6700v3: before 1.0.4.122

CPE2.3 External links

https://kb.netgear.com/000065323/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2021-0263


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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