What is CVE-2026-95104?

CVE-2026-95104 is a high-severity vulnerability in Buffalo Inc. Wex-G300, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-09-28.

How severe is CVE-2026-95104?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Buffalo Inc. Wex-G300

CVE-2026-95104

Stack-based buffer overflow vulnerability exists in BUFFALO Wi-Fi products. A non-authenticated crafted HTTP request may cause a denial-of-service (DoS) condition.

Vulnerability class: Buffer Overflow

Published 2026-09-28.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (26.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

Frequently asked questions

What is CVE-2026-95104?: CVE-2026-95104 is a high-severity vulnerability in Buffalo Inc. Wex-G300, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-09-28.
How severe is CVE-2026-95104?: High severity. CVSS v3 base score is 7.5 out of 10.