Vulnerability · Published Mar 27, 2026 · Assigned by jpcert
CVE-2026-33366
Medium 5.3
In plain English
A medium-severity missing authentication 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 0.4% (higher than 33% of all known vulnerabilities).
Severity (CVSS 3.0)5.3Medium
Exploit odds (30 days)0.4%top 66.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing authentication for critical function vulnerability in BUFFALO Wi-Fi router products may allow an attacker to forcibly reboot the product without authentication.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| BUFFALO INC. | BUFFALO Wi-Fi router products | See "References" section |
Weakness: CWE-306 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L