Command Injection in NETGEAR Routers

1) Command Injection

EUVDB-ID: #VU70032

Risk: Low

CVSSv3.1: 7.3 [CVSS:3.1/AV:L/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 - 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. A local unauthenticated attacker 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

R6220: before 1.1.0.114

R6260: before 1.1.0.86

R6230: before 1.1.0.114

R6850: before 1.1.0.86

R6330: before 1.1.0.86

R6350: before 1.1.0.86

R6020: before 1.0.0.54

R6080: before 1.0.0.54

R6120: before 1.0.0.84

External links

http://kb.netgear.com/000065319/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2021-0338

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.