Vulnerability · Published Sep 28, 2026 · Assigned by jpcert
CVE-2026-95104
High 7.5
In plain English
A high-severity stack buffer overflow in WEX-G300 from BUFFALO INC.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 70.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| BUFFALO INC. | WSR-300HP | 0 – before Ver.2.55 |
| BUFFALO INC. | WEX-G300 | 0 – before Ver.1.71 |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H