#VU84809 Use of Hard-coded Cryptographic Key in VR-S1000 - CVE-2023-46711

Vulnerability identifier: #VU84809

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-46711

CWE-ID: CWE-321

Exploitation vector: Local

Exploit availability: No

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

Vendor: BUFFALO INC.

Description

The vulnerability allows an attacker to compromise the affected device.

The vulnerability exists due to presence of a hard-coded cryptographic key on the device. An attacker with physical access to device can recover passwords of other users.

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?

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

Is there known malware, which exploits this vulnerability?

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