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herramientas QuickSec IPSec utilizado en la función VPN de las versiones de firmware: \nserie Zyxel ATP 4.32 a 5.37,\nserie USG FLEX 4.50 a 5.37, \nserie USG FLEX 50(W) 4.16 a 5.37 , \nserie USG20(W)-VPN 4.16 a 5.37.\nLas versiones de firmware de la serie VPN 4.30 a 5.37 podrían permitir que un atacante no autenticado cause condiciones de denegación de servicio (DoS) en un dispositivo afectado mediante el envío de un paquete IKE manipulado."}],"affected":[{"source":"security@zyxel.com.tw","affectedData":[{"vendor":"Zyxel","product":"ATP series firmware","defaultStatus":"unaffected","versions":[{"version":"versions 4.32 through 5.37","status":"affected"}]},{"vendor":"Zyxel","product":"USG FLEX series firmware","defaultStatus":"unaffected","versions":[{"version":"versions 4.50 through 5.37","status":"affected"}]},{"vendor":"Zyxel","product":"USG FLEX 50(W) series firmware","defaultStatus":"unaffected","versions":[{"version":"versions 4.16 through 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