Command Injection in NETGEAR Router and Extenders

1) Command Injection

EUVDB-ID: #VU73748

Risk: Medium

CVSSv3.1:

CVE-ID: N/A

CWE-ID:

Exploit availability:

Description

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

The vulnerability exists due to improper input validation. A remote unauthenticated attacker 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

CBR750: before 4.6.14.4

EAX20: before 1.0.1.62

EAX80: before 1.0.1.70

EX3700: before 1.0.0.94

EX3800: before 1.0.0.94

EX6120: before 1.0.0.64

EX6130: before 1.0.0.44

EX7000: before 1.0.1.106

LAX20: before 1.1.6.28

MK62: before 1.1.6.122

MR60: before 1.1.6.122

MS60: before 1.1.6.122

MK83: before 1.1.6.14

MR80: before 1.1.6.14

MS80: before 1.1.6.14

RBW30: before 2.6.2.6

R6400: before 1.0.1.74

R6400v2: before 1.0.4.118

R7000: before 1.0.11.126

R7000P: before 1.3.3.140

R8000P: before 1.4.2.84

RAX15: before 1.0.3.96

RAX20: before 1.0.3.96

RAX200: before 1.0.5.126

RAX45: before 1.0.3.96

RAX50: before 1.0.3.96

RAX43: before 1.0.3.96

RAX40v2: before 1.0.3.96

RAX38v2: before 1.0.3.96

RAX35v2: before 1.0.3.96

RAX75: before 1.0.5.126

RAX80: before 1.0.5.126

RBK752: before 4.6.7.13

RBR750: before 4.6.7.13

RBS750: before 4.6.7.13

RBK852: before 4.6.7.13

RBR850: before 4.6.7.13

RBS850: before 4.6.7.13

RS400: before 1.5.1.80

XR1000: before 1.0.0.64

Fixed software versions

CPE2.3

• cpe:2.3:h:netgear:cbr750:*:*:*:*:*:*:*:*

External links

http://kb.netgear.com/000065572/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Router-and-Extenders-PSV-2021-0076

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?