Medium severity · published Nov 7, 2025
CVE-2025-46413
Use of password hash with insufficient computational effort issue exists in BUFFALO Wi-Fi router 'WSR-1800AX4 series'
4.3
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WS
WSR-1800AX4 · BUFFALO INC.
prior to Ver.1.09 · source: vendor
WS
WSR-1800AX4-KH · BUFFALO INC.
prior to Ver.1.19 · source: vendor
WS
WSR-1800AX4B · BUFFALO INC.
prior to Ver.1.11 · source: vendor
WS
WSR-1800AX4S · BUFFALO INC.
prior to Ver.1.11 · source: vendor