Command Injection in NETGEAR Routers



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-77
Exploitation vector Local
Public exploit N/A
Vulnerable software
 C7000v2
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX42
Hardware solutions / Routers & switches, VoIP, GSM, etc

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

RAX48
Hardware solutions / Routers & switches, VoIP, GSM, etc

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

RAX50S
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX38v2
Hardware solutions / Routers & switches, VoIP, GSM, etc

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

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

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

CAX80
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAXE500
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAXE450
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor NETGEAR

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Command Injection

EUVDB-ID: #VU77788

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/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-77 - Command injection

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation. An attacker with physical access 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

C7000v2: before 1.03.08

RAX42: before 1.0.10.110

RAX43: before 1.0.10.110

RAX48: before 1.0.10.110

RAX45: before 1.0.10.110

RAX50S: before 1.0.10.110

RAX38v2: before 1.0.10.110

RAX50: before 1.0.10.110

RAX35v2: before 1.0.10.110

RAX40v2: before 1.0.10.110

CAX80: before 2.1.4.2

RAXE500: before 1.0.9.78

RAXE450: before 1.0.9.78

CPE2.3 External links

https://kb.netgear.com/000065712/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2021-0349


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

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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