CVE-2026-95104

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductWSR-300HP
PublishedSep 28, 2026
First seenSep 28, 2026
Weakness typeCWE-121CWE-121

How to fix

Update
  • BUFFALO INC. WSR-300HPVer.2.55 or later
  • BUFFALO INC. WEX-G300Ver.1.71 or later

Affected products

ProductAffected versionsFixed in
BUFFALO INC. WSR-300HPv < Ver.2.55Ver.2.55
BUFFALO INC. WEX-G300v < Ver.1.71Ver.1.71

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.