Cross-site request forgery (CSRF) vulnerability in ELECOM wireless LAN routers and wireless LAN repeater allows a remote unauthenticated attacker to hijack the authentication of administrators and to perform unintended operations to the affected product. Note that WMC-X1800GST-B and WSC-X1800GS-B are also included in e-Mesh Starter Kit "WMC-2LX-B".