Command Injection in NETGEAR WiFi Systems



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-77
Exploitation vector Network
Public exploit N/A
Vulnerable software
CBR40
Hardware solutions / Routers & switches, VoIP, GSM, etc

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

NBR750
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

RBK842
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBR840
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBS840
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

RBKE962
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBRE960
Hardware solutions / Routers & switches, VoIP, GSM, etc

RBSE960
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor NETGEAR

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Command Injection

EUVDB-ID: #VU73744

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-77 - Command injection

Exploit availability: No

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 attacker 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

CBR40: before 2.5.0.28

CBR750: before 4.6.14.4

NBR750: before 4.6.5.11

RBK752: before 4.6.7.13

RBR750: before 4.6.7.13

RBS750: before 4.6.7.13

RBK842: before 4.6.7.13

RBR840: before 4.6.7.13

RBS840: before 4.6.7.13

RBK852: before 4.6.7.13

RBR850: before 4.6.7.13

RBS850: before 4.6.7.13

RBKE962: before 6.0.3.68

RBRE960: before 6.0.3.68

RBSE960: before 6.0.3.68

CPE2.3 External links

https://kb.netgear.com/000065573/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2021-0179


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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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