Security Information for Buffalo Wi-Fi Router "WSR-1800AX4 Series"

Posted at Friday, November 07, 2025

A vulnerability has been found in Buffalo Wi-Fi Router "WSR-1800AX4 Series". Devices within range may intercept WPS PIN codes or Wi-Fi encryption keys. This vulnerability has been fixed in the latest firmware.

Weak Password Hash Usage Vulnerability and Countermeasures (JVN#13754005) | Buffalo (https://www.buffalo.jp/news/detail/20251107-01.html)

JVN#13754005: Vulnerability in Buffalo Wi-Fi Router "WSR-1800AX4 Series" (https://jvn.jp/jp/JVN13754005/)