CVE-2023-24544

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-11 · updated 2026-06-17
Weakness: CWE-284

Description

Improper access control vulnerability in Buffalo network devices allows a network-adjacent attacker to obtain specific files of the product. As a result, the product settings may be altered. The affected products and versions are as follows: BS-GSL2024 firmware Ver. 1.10-0.03 and earlier, BS-GSL2016P firmware Ver. 1.10-0.03 and earlier, BS-GSL2016 firmware Ver. 1.10-0.03 and earlier, BS-GS2008 firmware Ver. 1.0.10.01 and earlier, BS-GS2016 firmware Ver. 1.0.10.01 and earlier, BS-GS2024 firmware Ver. 1.0.10.01 and earlier, BS-GS2048 firmware Ver. 1.0.10.01 and earlier, BS-GS2008P firmware Ver. 1.0.10.01 and earlier, BS-GS2016P firmware Ver. 1.0.10.01 and earlier, and BS-GS2024P firmware Ver. 1.0.10.01 and earlier

Affected products

Buffalo Bs-Gs2008 Firmware: through 1.0.10.01
Buffalo Bs-Gs2008P Firmware: through 1.0.10.01
Buffalo Bs-Gs2016 Firmware: through 1.0.10.01
Buffalo Bs-Gs2016Hp Firmware: before 1.1.7.01 — fixed in 1.1.7.01
Buffalo Bs-Gs2016P Firmware: through 1.0.10.01; before 1.1.7.01 — fixed in 1.1.7.01
Buffalo Bs-Gs2024 Firmware: through 1.0.10.01
Buffalo Bs-Gs2024Hp Firmware: before 1.1.7.01 — fixed in 1.1.7.01
Buffalo Bs-Gs2024P Firmware: through 1.0.10.01; before 1.1.7.01 — fixed in 1.1.7.01
Buffalo Bs-Gs2048 Firmware: through 1.0.10.01
Buffalo Bs-Gsl2016 Firmware: through 1.10-0.03
Buffalo Bs-Gsl2016P Firmware: through 1.10-0.03
Buffalo Bs-Gsl2024 Firmware: through 1.10-0.03

How to fix

Upgrade to a fixed version: Buffalo Bs-Gs2016Hp Firmware 1.1.7.01; Buffalo Bs-Gs2016P Firmware 1.1.7.01; Buffalo Bs-Gs2024Hp Firmware 1.1.7.01; Buffalo Bs-Gs2024P Firmware 1.1.7.01. Check the vendor advisory for mitigations.

References

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