Authenticated command executioin in several NETGEAR routers



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-78
Exploitation vector Network
Public exploit N/A
Vulnerable software
 RAX45
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX50
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX15
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX20
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBK852
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBR850
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBS850
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBK752
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBR750
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBS750
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX75
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX80
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX200
Hardware solutions / Routers & switches, VoIP, GSM, etc

MK62
Hardware solutions / Routers & switches, VoIP, GSM, etc

MR60
Hardware solutions / Routers & switches, VoIP, GSM, etc

MS60
Hardware solutions / Routers & switches, VoIP, GSM, etc

R8000P
Hardware solutions / Routers & switches, VoIP, GSM, etc

R7960P
Hardware solutions / Routers & switches, VoIP, GSM, etc

R8000
Hardware solutions / Routers for home users

R7900
Hardware solutions / Routers for home users

R7000P
Hardware solutions / Routers for home users

Vendor NETGEAR

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU70579

Risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the device.

The vulnerability exists due to improper input validation. A remote authenticated user can send specially crafted data to the application and execute arbitrary OS commands on the device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RAX45: before 1.0.2.28

RAX50: before 1.0.2.28

RAX15: before 1.0.1.64

RAX20: before 1.0.1.64

RBK852: before 3.2.16.6

RBR850: before 3.2.16.6

RBS850: before 3.2.16.6

RBK752: before 3.2.16.6

RBR750: before 3.2.16.6

RBS750: before 3.2.16.6

RAX75: before 1.0.3.106

RAX80: before 1.0.3.106

RAX200: before 1.0.3.106

R8000: before 1.0.4.68

R7900: before 1.0.4.38

MK62: before 1.0.6.110

MR60: before 1.0.6.110

MS60: before 1.0.6.110

R7000P: before 1.3.3.140

R8000P: before 1.4.4.94

R7960P: before 1.4.4.94

CPE2.3 External links

https://kb.netgear.com/000065485/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0221


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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