CVE-2026-33366

MEDIUM EPSS 25.8%
Published Mar 27, 20263mo ago · Modified Jun 17, 20261w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Mar 27, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

Missing authentication for critical function vulnerability in BUFFALO Wi-Fi router products may allow an attacker to forcibly reboot the product without authentication.

CVSS Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
25.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-306 Missing Authentication for Critical Function Authentication

Affected Products 92

VendorProductVersionRange
buffalowcr-1166dhpl_firmware* <1.01
buffalowcr-1166dhpl*any
buffalowsr3600be4-kh_firmware* <6.02
buffalowsr3600be4-kh*any
buffalowsr3600be4p_firmware* <5.02
buffalowsr3600be4p*any
buffalowxr-1750dhp_firmware* <2.63
buffalowxr-1750dhp*any
buffalowxr-1750dhp2_firmware* <2.63
buffalowxr-1750dhp2*any
buffalowxr18000be10p_firmware* <5.03
buffalowxr18000be10p*any
buffalowxr-1900dhp_firmware* <2.53
buffalowxr-1900dhp*any
buffalowxr-1900dhp2_firmware* <2.62
buffalowxr-1900dhp2*any
buffalowxr-1900dhp3_firmware* <2.66
buffalowxr-1900dhp3*any
buffalowxr-5950ax12_firmware* <3.57
buffalowxr-5950ax12*any
buffalowxr-6000ax12b_firmware* <3.57
buffalowxr-6000ax12b*any
buffalowxr-6000ax12p_firmware* <3.57
buffalowxr-6000ax12p*any
buffalowxr-6000ax12s_firmware* <3.57
buffalowxr-6000ax12s*any
buffalowzr-1166dhp_firmware* <2.20
buffalowzr-1166dhp*any
buffalowzr-1166dhp2_firmware* <2.20
buffalowzr-1166dhp2*any
buffalowzr-1750dhp_firmware* <2.32
buffalowzr-1750dhp*any
buffalowzr-1750dhp2_firmware* <2.33
buffalowzr-1750dhp2*any
buffalowzr-s1750dhp_firmware* <2.34
buffalowzr-s1750dhp*any
buffalowrm-d2133hp_firmware* <3.01
buffalowrm-d2133hp*any
buffalowrm-d2133hs_firmware* <3.01
buffalowrm-d2133hs*any
buffalowtr-m2133hp_firmware* <3.01
buffalowtr-m2133hp*any
buffalowtr-m2133hs_firmware* <3.01
buffalowtr-m2133hs*any
buffalowem-1266_firmware* <2.87
buffalowem-1266*any
buffalowem-1266wp_firmware* <2.87
buffalowem-1266wp*any
buffalovr-u300w_firmware* <1.42
buffalovr-u300w*any
buffalovr-u500x_firmware* <1.42
buffalovr-u500x*any
buffalowapm-1266r_firmware* <1.42
buffalowapm-1266r*any
buffalowapm-1266wdpr_firmware* <1.42
buffalowapm-1266wdpr*any
buffalowapm-1266wdpra_firmware* <1.42
buffalowapm-1266wdpra*any
buffalowapm-1750d_firmware* <1.07
buffalowapm-1750d*any
buffalowapm-2133r_firmware* <1.42
buffalowapm-2133r*any
buffalowapm-2133tr_firmware* <1.42
buffalowapm-2133tr*any
buffalowapm-ax4r_firmware* <1.42
buffalowapm-ax4r*any
buffalowapm-ax8r_firmware* <1.42
buffalowapm-ax8r*any
buffalowapm-axetr_firmware* <1.42
buffalowapm-axetr*any
buffalowaps-1266_firmware* <1.42
buffalowaps-1266*any
buffalowaps-ax4_firmware* <1.42
buffalowaps-ax4*any
buffalofs-m1266_firmware* <4.13
buffalofs-m1266*any
buffalofs-s1266_firmware* <4.13
buffalofs-s1266*any
buffalowzr-600dhp_firmware*any
buffalowzr-600dhp*any
buffalowzr-600dhp2_firmware*any
buffalowzr-600dhp2*any
buffalowzr-600dhp3_firmware*any
buffalowzr-600dhp3*any
buffalowzr-900dhp_firmware*any
buffalowzr-900dhp*any
buffalowzr-900dhp2_firmware*any
buffalowzr-900dhp2*any
buffalowzr-s600dhp_firmware*any
buffalowzr-s600dhp*any
buffalowzr-s900dhp_firmware*any
buffalowzr-s900dhp*any

References 2

  • jvn.jp https://jvn.jp/en/jp/JVN83788689/
    Third Party Advisory
  • buffalo.jp https://www.buffalo.jp/news/detail/20260323-01.html
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.