SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-33366

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

MEDIUM 6.9EPSS 0.34%

Does this matter?

Lower severity and a low EPSS score (0.34%). Track it; it rarely justifies an emergency change on its own.

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 4.0
6.9 MEDIUMCVSS: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/M
EPSS
0.34% probability · 27th percentile
CISA KEV
Not listed
Weakness
CWE-306
Affected
buffalo/wcr-1166dhpl firmware · buffalo/wsr3600be4-kh firmware · buffalo/wsr3600be4p firmware · buffalo/wxr-1750dhp firmware · buffalo/wxr-1750dhp2 firmware · buffalo/wxr18000be10p firmware · buffalo/wxr-1900dhp firmware · buffalo/wxr-1900dhp2 firmware · buffalo/wxr-1900dhp3 firmware · buffalo/wxr-5950ax12 firmware · buffalo/wxr-6000ax12b firmware · buffalo/wxr-6000ax12p firmware · buffalo/wxr-6000ax12s firmware · buffalo/wzr-1166dhp firmware · buffalo/wzr-1166dhp2 firmware · buffalo/wzr-1750dhp firmware · buffalo/wzr-1750dhp2 firmware · buffalo/wzr-s1750dhp firmware · buffalo/wrm-d2133hp firmware · buffalo/wrm-d2133hs firmware · +26 more
Source
vultures@jpcert.or.jp

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.