Vulnerability identifier: #VU46644

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-5605

CWE-ID: CWE-22

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
WHR-G54S
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: BUFFALO INC.

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote authenticated attacker on the local network can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

WHR-G54S: 1.43

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External links
http://jvn.jp/en/jp/JVN09166495/index.html
http://www.buffalo.jp/news/detail/20200911-01.html

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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