Vulnerability · Published Nov 7, 2025 · Assigned by jpcert
CVE-2025-46413
Medium 4.3
In plain English
A medium-severity security flaw in WSR-1800AX4 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 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.0)4.3Medium
Exploit odds (30 days)0.1%top 97.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Use of password hash with insufficient computational effort issue exists in BUFFALO Wi-Fi router 'WSR-1800AX4 series'. When WPS is enabled, PIN code and/or Wi-Fi password may be obtained by an attacker.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| BUFFALO INC. | WSR-1800AX4 | prior to Ver.1.09 |
| BUFFALO INC. | WSR-1800AX4S | prior to Ver.1.11 |
| BUFFALO INC. | WSR-1800AX4B | prior to Ver.1.11 |
| BUFFALO INC. | WSR-1800AX4-KH | prior to Ver.1.19 |
Weakness: CWE-916 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N