Command Injection in NETGEAR Routers and WiFi Systems

1) Command Injection

EUVDB-ID: #VU70564

Risk: Low

CVSSv3.1: 7.3 [CVSS:3.1/AV:A/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-77 - Command injection

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation. A remote administrator 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

R7000P: before 1.3.2.126

RBK852: before 3.2.16.6

RBR850: before 3.2.16.6

RBS850: before 3.2.16.6

XR300: before 1.0.3.50

RBK752: before 3.2.16.6

RBR750: before 3.2.16.6

RBS750: before 3.2.16.6

RAX15: before 1.0.2.82

RAX20: before 1.0.2.82

RAX75: before 1.0.3.106

RAX80: before 1.0.3.106

R8000: before 1.0.4.74

R7000: before 1.0.11.126

RAX200: before 1.0.3.106

RAX45: before 1.0.2.28

RAX50: before 1.0.2.28

MK62: before 1.0.5.102

MR60: before 1.0.5.102

MS60: before 1.0.5.102

R7900: before 1.0.4.46

R7960P: before 1.4.4.94

R8000P: before 1.4.4.94

External links

http://kb.netgear.com/000065486/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0194

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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