Authenticated command executioin in several NETGEAR routers

Published: 2023-01-02

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 Subscribe	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

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU70577

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

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: before 3.2.17.12

RBR850: before 3.2.17.12

RBS850: before 3.2.17.12

RBK752: before 3.2.17.12

RBR750: before 3.2.17.12

RBS750: before 3.2.17.12

RAX200: before 1.0.4.120

RAX75: before 1.0.4.120

RAX80: before 1.0.4.120

MK83: before 1.1.3.6

MR80: before 1.1.3.6

MS80: before 1.1.3.6

RAX45: before 1.0.3.96

RAX50: before 1.0.3.96

RAX43: before 1.0.3.96

RAX40v2: before 1.0.3.96

RAX35v2: before 1.0.3.96

R7000P: before 1.3.3.140

LAX20: before 1.1.6.28

RAX15: before 1.0.3.96

RAX20: before 1.0.3.96

XR1000: before 1.0.0.58

MK62: before 1.0.6.116

MR60: before 1.0.6.116

MS60: before 1.0.6.116

CBR750: before 4.6.3.6

CBR40: before 2.5.0.24

RS400: before 1.5.1.80

R8000P: before 1.4.2.84

R7960P: before 1.4.2.84

External links

http://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.

Is there known malware, which exploits this vulnerability?

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