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CVE

CVE-2026-33366

Missing authentication for critical function vulnerability in BUFFALO Wi-Fi router products may allow an attacker to for

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

MEDIUM · CVSS 5.3 EPSS 0.00155
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-306Missing Authentication for Critical Function
▤

Affected Products & Versions

46
buffalo wcr-1166dhpl firmware< 1.01
buffalo wsr3600be4-kh firmware< 6.02
buffalo wsr3600be4p firmware< 5.02
buffalo wxr-1750dhp firmware< 2.63
buffalo wxr-1750dhp2 firmware< 2.63
buffalo wxr18000be10p firmware< 5.03
buffalo wxr-1900dhp firmware< 2.53
buffalo wxr-1900dhp2 firmware< 2.62
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.0 · vultures@jpcert.or.jp
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Mar 2026 · 06:16 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jvn.jp/en/jp/JVN83788689/Third Party Advisory
https://www.buffalo.jp/news/detail/20260323-01.htmlVendor Advisory
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