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TI-2023-11722 Aliases CVE-2023-26588GHSA-2f8j-4hf7-xq8c

Exposure of resource to wrong sphere in BUFFALO INC. BS-GSL and BS-GS series

Priority LOW 34CWE-668Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-668 and the CVSS impact.

Summary

Use of hard-coded credentials vulnerability in Buffalo network devices allows an attacker to access the debug function of the product. 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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00575 47th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
BUFFALO INC.BS-GSL and BS-GS seriesBS-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—No fix listedCNA
  • BS-GSL and BS-GS series VendorBUFFALO INC. Affected 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 Fixed in — No fix listed CNA

CPE configurations NVD · 34

CPEVersionsRoleVendor
cpe:2.3:o:buffalo:bs-gsl2024_firmware:*:*:*:*:*:*:*:*up to 1.10-0.03VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gsl2024:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gsl2016p_firmware:*:*:*:*:*:*:*:*up to 1.10-0.03VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gsl2016p:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gsl2016_firmware:*:*:*:*:*:*:*:*up to 1.10-0.03VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gsl2016:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gs2008_firmware:*:*:*:*:*:*:*:*up to 1.0.10.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gs2008:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gs2016_firmware:*:*:*:*:*:*:*:*up to 1.0.10.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gs2016:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gsl2024_firmware:*:*:*:*:*:*:*:* Versions up to 1.10-0.03 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gsl2024:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gsl2016p_firmware:*:*:*:*:*:*:*:* Versions up to 1.10-0.03 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gsl2016p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gsl2016_firmware:*:*:*:*:*:*:*:* Versions up to 1.10-0.03 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gsl2016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2008_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.10.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gs2008:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2016_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.10.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gs2016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
Show 24 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:buffalo:bs-gs2024_firmware:*:*:*:*:*:*:*:*up to 1.0.10.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gs2024:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gs2048_firmware:*:*:*:*:*:*:*:*up to 1.0.10.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gs2048:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gs2008p_firmware:*:*:*:*:*:*:*:*up to 1.0.10.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gs2008p:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gs2016p_firmware:*:*:*:*:*:*:*:*up to 1.0.10.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gs2016p:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gs2024p_firmware:*:*:*:*:*:*:*:*up to 1.0.10.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gs2024p:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gsl2005_firmware:*:*:*:*:*:*:*:*before 1.12-0.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gsl2005:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gsl2008_firmware:*:*:*:*:*:*:*:*before 1.12-0.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gsl2008:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gsl2005p_firmware:*:*:*:*:*:*:*:*before 1.11-0.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gsl2005p:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gsl2008p_firmware:*:*:*:*:*:*:*:*before 1.11-0.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gsl2008p:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gs2016p_firmware:*:*:*:*:*:*:*:*before 1.1.7.01VulnerableBUFFALO INC.
cpe:2.3:o:buffalo:bs-gs2016hp_firmware:*:*:*:*:*:*:*:*before 1.1.7.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gs2016hp:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
cpe:2.3:o:buffalo:bs-gs2024p_firmware:*:*:*:*:*:*:*:*before 1.1.7.01VulnerableBUFFALO INC.
cpe:2.3:o:buffalo:bs-gs2024hp_firmware:*:*:*:*:*:*:*:*before 1.1.7.01VulnerableBUFFALO INC.
cpe:2.3:h:buffalo:bs-gs2024hp:-:*:*:*:*:*:*:*not specified by NVDRunning onBUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2024_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.10.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gs2024:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2048_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.10.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gs2048:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2008p_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.10.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gs2008p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2016p_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.10.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gs2016p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2024p_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.10.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gs2024p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gsl2005_firmware:*:*:*:*:*:*:*:* Versions before 1.12-0.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gsl2005:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gsl2008_firmware:*:*:*:*:*:*:*:* Versions before 1.12-0.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gsl2008:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gsl2005p_firmware:*:*:*:*:*:*:*:* Versions before 1.11-0.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gsl2005p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gsl2008p_firmware:*:*:*:*:*:*:*:* Versions before 1.11-0.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gsl2008p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2016p_firmware:*:*:*:*:*:*:*:* Versions before 1.1.7.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2016hp_firmware:*:*:*:*:*:*:*:* Versions before 1.1.7.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gs2016hp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2024p_firmware:*:*:*:*:*:*:*:* Versions before 1.1.7.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:o:buffalo:bs-gs2024hp_firmware:*:*:*:*:*:*:*:* Versions before 1.1.7.01 Vulnerable ·BUFFALO INC.
  • cpe:2.3:h:buffalo:bs-gs2024hp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·BUFFALO INC.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-26588
  2. 2026-10-03 Alias added: GHSA-2f8j-4hf7-xq8c

References

Patch 1

Advisory 1

  • TI-2023-10163 Improper access control in BUFFALO INC. BS-GSL and BS-GS series CVSS 3.1HIGH 8.1
  • TI-2023-10085 Cross-site scripting in BUFFALO INC. BS-GS series CVSS 3.1MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences