CVE-2026-27650

EUVD-2026-16543
OS Command Injection vulnerability exists in BUFFALO Wi-Fi router products. If this vulnerability is exploited, an arbitrary OS command may be executed on the products.
OS Command Injection
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: 21%
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