#VU64812 Command Injection in XR500 and XR450

Vulnerability identifier: #VU64812

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
XR500
Hardware solutions / Routers & switches, VoIP, GSM, etc
XR450
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NETGEAR

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 unauthenticated 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

XR500: before 2.3.2.134

XR450: before 2.3.2.134

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External links
https://kb.netgear.com/000065045/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-PSV-2021-0250

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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