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
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

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

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

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

MK83
Hardware solutions / Routers & switches, VoIP, GSM, etc

MR80
Hardware solutions / Routers & switches, VoIP, GSM, etc

MS80
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX45
Hardware solutions / Routers & switches, VoIP, GSM, etc

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

RAX43
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX40v2
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX35v2
Hardware solutions / Routers & switches, VoIP, GSM, etc

LAX20
Hardware solutions / Routers & switches, VoIP, GSM, etc

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

RAX20
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

CBR750
Hardware solutions / Routers & switches, VoIP, GSM, etc

CBR40
Hardware solutions / Routers & switches, VoIP, GSM, etc

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

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

R7000P
Hardware solutions / Routers for home users

XR1000
Hardware solutions / Routers for home users

RS400
Hardware solutions / Routers for home users

Vendor NETGEAR

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU70577

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

RBK852: All versions

RBR850: All versions

RBS850: All versions

RBK752: All versions

RBR750: All versions

RBS750: All versions

RAX200: All versions

RAX75: All versions

RAX80: All versions

MK83: All versions

MR80: All versions

MS80: All versions

RAX45: All versions

RAX50: All versions

RAX43: All versions

RAX40v2: All versions

RAX35v2: All versions

R7000P: All versions

LAX20: All versions

RAX15: All versions

RAX20: All versions

XR1000: All versions

MK62: All versions

MR60: All versions

MS60: All versions

CBR750: All versions

CBR40: All versions

RS400: All versions

R8000P: All versions

R7960P: All versions

CPE2.3 External links

https://kb.netgear.com/000065482/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0478


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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