Open redirect vulnerability in ELECOM wireless LAN routers and ELECOM wireless LAN repeaters allows a remote unauthenticated attacker to redirect users to arbitrary web sites and conduct phishing attacks via a specially crafted URL. Affected products and versions are as follows: WRH-300WH-H v2.12 and earlier, WTC-300HWH v1.09 and earlier, WTC-C1167GC-B v1.17 and earlier, and WTC-C1167GC-W v1.17 and earlier.