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…

PriorityP347medium6.9CVSS 4.0

AVNACLATNPRNUINVCNVINVALSCNSINSANEXCRXIRXARXMAVXMACXMATXMPRXMUIXMVCXMVIXMVAXMSCXMSIXMSAXSXAUXRXVXREXUX

EPSS

0.34%

25.8th percentile

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

Affected

40 ranges· showing 25

Vendor	Product	Version range	Fixed in
buffalo	fs-m1266_firmware	< 4.13	4.13
buffalo	fs-s1266_firmware	< 4.13	4.13
buffalo	vr-u300w_firmware	< 1.42	1.42
buffalo	vr-u500x_firmware	< 1.42	1.42
buffalo	wapm-1266r_firmware	< 1.42	1.42
buffalo	wapm-1266wdpr_firmware	< 1.42	1.42
buffalo	wapm-1266wdpra_firmware	< 1.42	1.42
buffalo	wapm-1750d_firmware	< 1.07	1.07
buffalo	wapm-2133r_firmware	< 1.42	1.42
buffalo	wapm-2133tr_firmware	< 1.42	1.42
buffalo	wapm-ax4r_firmware	< 1.42	1.42
buffalo	wapm-ax8r_firmware	< 1.42	1.42
buffalo	wapm-axetr_firmware	< 1.42	1.42
buffalo	waps-1266_firmware	< 1.42	1.42
buffalo	waps-ax4_firmware	< 1.42	1.42
buffalo	wcr-1166dhpl_firmware	< 1.01	1.01
buffalo	wem-1266_firmware	< 2.87	2.87
buffalo	wem-1266wp_firmware	< 2.87	2.87
buffalo	wrm-d2133hp_firmware	< 3.01	3.01
buffalo	wrm-d2133hs_firmware	< 3.01	3.01
buffalo	wsr3600be4-kh_firmware	< 6.02	6.02
buffalo	wsr3600be4p_firmware	< 5.02	5.02
buffalo	wtr-m2133hp_firmware	< 3.01	3.01
buffalo	wtr-m2133hs_firmware	< 3.01	3.01
buffalo	wxr-1750dhp2_firmware	< 2.63	2.63

CVSS provenance

nvdv4.06.9MEDIUMCVSS: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

nvdv3.05.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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