CVE:CVE-2008-1523
CNNVD:CNNVD-200803-429
ZyXEL Prestige路由器, 包括带有固件3.40(AGD.2)到3.40(AHQ.3)的P-660，P-661和P-662模式，远程授权用户通过先发送一个直接的对(1)WAN.html,(2)wzPPPOE.html,和(3)rpDyDNS.html的请求，然后再读取HTML源，从而获得动态的DNS信任凭证。
solution:Upgrade zyxel prestige_660 to a higher version than h-d1,h-d3,and avoid the version h-d1,h-d3; Upgrade zyxel prestige_661 to a higher version than hw-d1,and avoid the version hw-d1; Upgrade zyxel zynos to a higher version than 3.40:agd.2,3.40:agl.3,3.40:ahq.0,3.40:ahq.3,3.40:ahz.0,3.40:atm.0,and avoid the version 3.40:agd.2,3.40:agl.3,3.40:ahq.0,3.40:ahq.3,3.40:ahz.0,3.40:atm.0