Command Injection in NETGEAR Routers and WiFi Systems

1) Command Injection

EUVDB-ID: #VU64832

Risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:A/AC:H/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 shell 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 OS 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

MK62: before 1.0.6.110

CBR40: before 2.5.0.24

RBK852: before 3.2.16.22

RBK752: before 3.2.16.22

R6400v2: before 1.0.4.122

R7000: before 1.0.11.116

R7000P: before 1.3.3.148

R7900: before 1.0.4.38

R7960P: before 1.4.1.66

R8000P: before 1.4.1.66

RAX20: before 1.0.2.82

RAX50: before 1.0.2.82

RAX75: before 1.0.3.106

RAX200: before 1.0.3.106

R8000: before 1.0.4.68

MR60: before 1.0.6.110

MS60: before 1.0.6.110

RAX15: before 1.0.2.82

RAX45: before 1.0.2.82

RAX80: before 1.0.3.106

RBR750: before 3.2.16.22

RBR850: before 3.2.16.22

RBS750: before 3.2.16.22

RBS850: before 3.2.16.22

External links

http://kb.netgear.com/000065029/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0332

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.