Design/Logic Flaw

The SNMP service on ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40AGD.2 through 3.40AHQ.3, has "public" as its default community for both 1 read and 2 write operations, which allows remote attackers to perform administrative actions via SNMP, as demonstrated by readin...

Authentication flaw

ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40AGD.2 through 3.40AHQ.3, allow remote authenticated users to obtain authentication data by making direct HTTP requests and then reading the HTML source, as demonstrated by a request for 1 RemMagSNMP.html, which...

Design/Logic Flaw

ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40AGD.2 through 3.40AHQ.3, allow remote authenticated users to gain privileges by accessing administrative URIs, as demonstrated by rpSysAdmin.html...