by Kastro
Paper/Archive/CVE-2026-33280

CVE-2026-33280

BUFFALO INC. BUFFALO Wi-Fi router products — Hidden functionality issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to gain access to the product’s debugging…

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
36
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 32.4.324 × 206.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

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)8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
jpcert (CNA)7.2CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

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