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CVE-2023-24544

HIGH

8.1

CVSS Score

Published: April 11, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:39 AM UTC

26 products affected across 1 vendorBs GS2008P FirmwareBs GS2016P FirmwareBs GS2048 Firmware

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Severity

HIGH8.1

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Bs GS2008 Firmware · Buffalo

95%

v ≤ 1.0.10.01

buffalo-bs-gs2008 (same device)

Bs GS2008P Firmware · Buffalo

95%

v ≤ 1.0.10.01

buffalo-bs-gs2008p (same device)

Bs GS2016 Firmware · Buffalo

95%

v ≤ 1.0.10.01

buffalo-bs-gs2016 (same device)

Bs GS2016HP Firmware · Buffalo

95%

v < 1.1.7.01

Affected range stops below 1.1.7.01, so it looks safe — our inference, not a vendor statement

buffalo-bs-gs2016hp (same device)

Bs GS2016P Firmware · Buffalo

95%

v ≤ 1.0.10.01v < 1.1.7.01

Affected range stops below 1.1.7.01, so it looks safe — our inference, not a vendor statement

buffalo-bs-gs2016p (same device)

Bs GS2024 Firmware · Buffalo

95%

v ≤ 1.0.10.01

buffalo-bs-gs2024 (same device)

Bs GS2024HP Firmware · Buffalo

95%

v < 1.1.7.01

Affected range stops below 1.1.7.01, so it looks safe — our inference, not a vendor statement

buffalo-bs-gs2024hp (same device)

Bs GS2024P Firmware · Buffalo

95%

v ≤ 1.0.10.01v < 1.1.7.01

Affected range stops below 1.1.7.01, so it looks safe — our inference, not a vendor statement

buffalo-bs-gs2024p (same device)

Bs GS2048 Firmware · Buffalo

95%

v ≤ 1.0.10.01

buffalo-bs-gs2048 (same device)

Bs GSL2016 Firmware · Buffalo

95%

v ≤ 1.10-0.03

buffalo-bs-gsl2016 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.buffalo.jp/news/detail/20230310-01.html

References (2)

Third Party Advisory

Source: [email protected]

https://jvn.jp/en/vu/JVNVU96824262/

PatchVendor Advisory

Source: [email protected]

https://www.buffalo.jp/news/detail/20230310-01.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHCISA-ADP

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfoCWE-284

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