Use of hard-coded credentials in BUFFALO INC. products - CVE-2023-26588

Vulnerability identifier: #VU72890

CSH Severity: Low

CVSS v4: 2.4 [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]

CVE-ID: CVE-2023-26588

CWE-ID: CWE-798

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local attacker to compromise the system.

The vulnerability exists due to presence of hard-coded credentials in application code. An attacker with physical access can access the debug function of the product.

BS-GSL2024
BS-GSL2016P
BS-GS2024P
BS-GSL2016
BS-GS2008
BS-GS2016P
BS-GS2016
BS-GS2024
BS-GS2008P
BS-GS2048

Install updates from vendor's website.

BS-GSL2024 - update to 1.11-0.01
BS-GSL2016P - update to 1.11-0.01
BS-GS2024P - update to 1.0.11.01
BS-GSL2016 - update to 1.11-0.01
BS-GS2008 - update to 1.0.11.01
BS-GS2016P - update to 1.0.11.01
BS-GS2016 - update to 1.0.11.01
BS-GS2024 - update to 1.0.11.01
BS-GS2008P - update to 1.0.11.01
BS-GS2048 - update to 1.0.11.01

• https://jvn.jp/en/vu/JVNVU96824262/index.html
• https://www.buffalo.jp/news/detail/20230306-01.html

• Multiple vulnerabilities in Buffalo network devices