by Kastro
Paper/Archive/CVE-2026-27650

CVE-2026-27650

BUFFALO INC. BUFFALO Wi-Fi router products — OS Command Injection vulnerability exists in BUFFALO Wi-Fi router products.

EPSS 0.9%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 60.8.608 × 2012.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
BUFFALO Wi-Fi router productsSee "References" section–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
jpcert (CNA)8.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
jpcert (CNA)8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbuffalo.jp/news/detail/20260323-01.htmlrefjvn.jp/en/jp/JVN83788689