Vulnerability · Published Mar 27, 2026 · Assigned by jpcert
CVE-2026-27650
High 8.8
In plain English
A high-severity OS command injection in BUFFALO Wi-Fi router products 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 0.9% (higher than 61% of all known vulnerabilities).
Severity (CVSS 3.0)8.8High
Exploit odds (30 days)0.9%top 38.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| BUFFALO INC. | BUFFALO Wi-Fi router products | See "References" section |
Weakness: CWE-78 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H