CVE-2026-33280

CRITICAL

9.8

Description

Hidden functionality issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to gain access to the product’s debugging functionality, resulting in the execution of arbitrary OS commands.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/27/2026

Last Modified3/31/2026

Sourcenvd

Honeypot Sightings0

Affected Products

buffalo:fs-m1266buffalo:fs-m1266_firmwarebuffalo:fs-s1266buffalo:fs-s1266_firmwarebuffalo:vr-u300wbuffalo:vr-u300w_firmwarebuffalo:vr-u500xbuffalo:vr-u500x_firmwarebuffalo:wapm-1266rbuffalo:wapm-1266r_firmwarebuffalo:wapm-1266wdprbuffalo:wapm-1266wdpr_firmwarebuffalo:wapm-1266wdprabuffalo:wapm-1266wdpra_firmwarebuffalo:wapm-1750dbuffalo:wapm-1750d_firmwarebuffalo:wapm-2133rbuffalo:wapm-2133r_firmwarebuffalo:wapm-2133trbuffalo:wapm-2133tr_firmwarebuffalo:wapm-ax4rbuffalo:wapm-ax4r_firmwarebuffalo:wapm-ax8rbuffalo:wapm-ax8r_firmwarebuffalo:wapm-axetrbuffalo:wapm-axetr_firmwarebuffalo:waps-1266buffalo:waps-1266_firmwarebuffalo:waps-ax4buffalo:waps-ax4_firmwarebuffalo:wcr-1166dhplbuffalo:wcr-1166dhpl_firmwarebuffalo:wem-1266buffalo:wem-1266_firmwarebuffalo:wem-1266wpbuffalo:wem-1266wp_firmwarebuffalo:wrm-d2133hpbuffalo:wrm-d2133hp_firmwarebuffalo:wrm-d2133hsbuffalo:wrm-d2133hs_firmwarebuffalo:wsr3600be4-khbuffalo:wsr3600be4-kh_firmwarebuffalo:wsr3600be4pbuffalo:wsr3600be4p_firmwarebuffalo:wtr-m2133hpbuffalo:wtr-m2133hp_firmwarebuffalo:wtr-m2133hsbuffalo:wtr-m2133hs_firmwarebuffalo:wxr-1750dhpbuffalo:wxr-1750dhp2buffalo:wxr-1750dhp2_firmwarebuffalo:wxr-1750dhp_firmwarebuffalo:wxr-1900dhpbuffalo:wxr-1900dhp2buffalo:wxr-1900dhp2_firmwarebuffalo:wxr-1900dhp3buffalo:wxr-1900dhp3_firmwarebuffalo:wxr-1900dhp_firmwarebuffalo:wxr-5950ax12buffalo:wxr-5950ax12_firmwarebuffalo:wxr-6000ax12bbuffalo:wxr-6000ax12b_firmwarebuffalo:wxr-6000ax12pbuffalo:wxr-6000ax12p_firmwarebuffalo:wxr-6000ax12sbuffalo:wxr-6000ax12s_firmwarebuffalo:wxr18000be10pbuffalo:wxr18000be10p_firmwarebuffalo:wzr-1166dhpbuffalo:wzr-1166dhp2buffalo:wzr-1166dhp2_firmwarebuffalo:wzr-1166dhp_firmwarebuffalo:wzr-1750dhpbuffalo:wzr-1750dhp2buffalo:wzr-1750dhp2_firmwarebuffalo:wzr-1750dhp_firmwarebuffalo:wzr-600dhpbuffalo:wzr-600dhp2buffalo:wzr-600dhp2_firmwarebuffalo:wzr-600dhp3buffalo:wzr-600dhp3_firmwarebuffalo:wzr-600dhp_firmwarebuffalo:wzr-900dhpbuffalo:wzr-900dhp2buffalo:wzr-900dhp2_firmwarebuffalo:wzr-900dhp_firmwarebuffalo:wzr-s1750dhpbuffalo:wzr-s1750dhp_firmwarebuffalo:wzr-s600dhpbuffalo:wzr-s600dhp_firmwarebuffalo:wzr-s900dhpbuffalo:wzr-s900dhp_firmware

Weaknesses (CWE)

CWE-912

References

https://jvn.jp/en/jp/JVN83788689/(vultures@jpcert.or.jp)

https://www.buffalo.jp/news/detail/20260323-01.html(vultures@jpcert.or.jp)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.