CVE-2026-33280

EUVD-2026-16549
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
Affected Products (NVD)
VendorProductVersion
buffalowcr-1166dhpl_firmware
𝑥
< 1.01
buffalowsr3600be4-kh_firmware
𝑥
< 6.02
buffalowsr3600be4p_firmware
𝑥
< 5.02
buffalowxr-1750dhp_firmware
𝑥
< 2.63
buffalowxr-1750dhp2_firmware
𝑥
< 2.63
buffalowxr18000be10p_firmware
𝑥
< 5.03
buffalowxr-1900dhp_firmware
𝑥
< 2.53
buffalowxr-1900dhp2_firmware
𝑥
< 2.62
buffalowxr-1900dhp3_firmware
𝑥
< 2.66
buffalowxr-5950ax12_firmware
𝑥
< 3.57
buffalowxr-6000ax12b_firmware
𝑥
< 3.57
buffalowxr-6000ax12p_firmware
𝑥
< 3.57
buffalowxr-6000ax12s_firmware
𝑥
< 3.57
buffalowzr-1166dhp_firmware
𝑥
< 2.20
buffalowzr-1166dhp2_firmware
𝑥
< 2.20
buffalowzr-1750dhp_firmware
𝑥
< 2.32
buffalowzr-1750dhp2_firmware
𝑥
< 2.33
buffalowzr-s1750dhp_firmware
𝑥
< 2.34
buffalowrm-d2133hp_firmware
𝑥
< 3.01
buffalowrm-d2133hs_firmware
𝑥
< 3.01
buffalowtr-m2133hp_firmware
𝑥
< 3.01
buffalowtr-m2133hs_firmware
𝑥
< 3.01
buffalowem-1266_firmware
𝑥
< 2.87
buffalowem-1266wp_firmware
𝑥
< 2.87
buffalovr-u300w_firmware
𝑥
< 1.42
buffalovr-u500x_firmware
𝑥
< 1.42
buffalowapm-1266r_firmware
𝑥
< 1.42
buffalowapm-1266wdpr_firmware
𝑥
< 1.42
buffalowapm-1266wdpra_firmware
𝑥
< 1.42
buffalowapm-1750d_firmware
𝑥
< 1.07
buffalowapm-2133r_firmware
𝑥
< 1.42
buffalowapm-2133tr_firmware
𝑥
< 1.42
buffalowapm-ax4r_firmware
𝑥
< 1.42
buffalowapm-ax8r_firmware
𝑥
< 1.42
buffalowapm-axetr_firmware
𝑥
< 1.42
buffalowaps-1266_firmware
𝑥
< 1.42
buffalowaps-ax4_firmware
𝑥
< 1.42
buffalofs-m1266_firmware
𝑥
< 4.13
buffalofs-s1266_firmware
𝑥
< 4.13
buffalowzr-600dhp_firmware
-
buffalowzr-600dhp2_firmware
-
buffalowzr-600dhp3_firmware
-
buffalowzr-900dhp_firmware
-
buffalowzr-900dhp2_firmware
-
buffalowzr-s600dhp_firmware
-
buffalowzr-s900dhp_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://jvn.jp/en/jp/JVN83788689/
https://www.buffalo.jp/news/detail/20260323-01.html