#VU84808 Improper Neutralization of Argument Delimiters in a Command in VR-S1000 - CVE-2023-46681

Vulnerability identifier: #VU84808

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-46681

CWE-ID: CWE-88

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
VR-S1000
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: BUFFALO INC.

Description

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

The vulnerability exists due to improper input validation in the web management interface. A remote authenticated user can send specially crafted data to the application and execute arbitrary OS commands on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VR-S1000: before 2.42

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External links
https://www.buffalo.jp/news/detail/20231225-01.html
https://jvn.jp/en/jp/JVN23771490/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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