Command Injection in NETGEAR Routers and WiFi Systems

1) Command Injection

EUVDB-ID: #VU70565

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:A/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-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation. A remote administrator on the local network 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

RBK852: before 3.2.17.12

RBR850: before 3.2.17.12

RBS850: before 3.2.17.12

RAX200: before 1.0.4.120

RAX75: before 1.0.4.120

RAX80: before 1.0.4.120

R8000P: before 1.4.4.94

R7960P: before 1.4.4.94

CPE2.3

• cpe:2.3:h:netgear:rbk852:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:rbr850:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:rbs850:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:rax200:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:rax75:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:rax80:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r8000p:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r7960p:*:*:*:*:*:*:*:*

External links

https://kb.netgear.com/000065479/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0569

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).

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.