Command Injection in NETGEAR Routers and WiFi Systems

1) Command Injection

EUVDB-ID: #VU64822

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

RBK852: before 3.2.17.12

MK62: before 1.1.3.6

MK80: before 1.1.3.6

CBR40: before 2.5.0.24

R6400: before 1.0.1.70

R6400v2: before 1.0.4.118

R7000: before 1.0.11.126

R7000P: before 1.3.3.140

R7900: before 1.0.4.46

R7960P: before 1.4.2.84

R7850: before 1.0.5.74

R8000: before 1.0.4.74

R8000P: before 1.4.2.84

RAX75: before 1.0.4.120

RAX200: before 1.0.4.120

RS400: before 1.5.1.80

CBR750: before 4.6.3.6

LAX20: before 1.1.6.34

XR1000: before 1.0.0.58

MR60: before 1.0.6.116

MR80: before 1.1.3.6

MS60: before 1.0.6.116

MS80: before 1.1.3.6

RAX80: before 1.0.4.120

RBR850: before 3.2.17.12

RBS850: before 3.2.17.12

External links

http://kb.netgear.com/000065035/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0532

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.