zyxel prestige 660 h-d1 vulnerabilities and exploits

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7.5

CVSSv2

ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) up to and including 3.40(AHQ.3), have (1) "user" as their default password for the "user" account and (2) "1234" as their default password for the "admin" ac...

Zyxel Zynos 3.40 Zyxel Prestige 660 H-d1 Zyxel Prestige 660 H-d3 Zyxel Prestige 661 Hw-d1

7.5

CVSSv2

The SNMP service on ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) up to and including 3.40(AHQ.3), has "public" as its default community for both (1) read and (2) write operations, which allows remote malicious users to perform admin...

Zyxel Prestige 660 H-d1 Zyxel Prestige 660 H-d3 Zyxel Zynos 3.40 Zyxel Prestige 661 Hw-d1

7.5

CVSSv2

ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) up to and including 3.40(AHQ.3), support authentication over HTTP via a hash string in the hiddenPassword field, which allows remote malicious users to obtain access via a rep...

Zyxel Prestige 660 H-d1 Zyxel Prestige 660 H-d3 Zyxel Zynos 3.40 Zyxel Prestige 661 Hw-d1

6.5

CVSSv2

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

Zyxel Zynos 3.40 Zyxel Prestige 660 H-d1 Zyxel Prestige 660 H-d3 Zyxel Prestige 661 Hw-d1

5

CVSSv2

ZyXEL Prestige routers have a minimum password length for the admin account that is too small, which makes it easier for remote malicious users to guess passwords via brute force methods.

Zyxel Zynos 3.40 Zyxel Prestige 661 Hw-d1 Zyxel Prestige 660 H-d1 Zyxel Prestige 660 H-d3

5

CVSSv2

ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) up to and including 3.40(AHQ.3), allow remote authenticated users to obtain ISP and Dynamic DNS credentials by sending a direct request for (1) WAN.html, (2) wzPPPOE.html, and (3) rpDyDNS.h...

Zyxel Zynos 3.40 Zyxel Prestige 660 H-d1 Zyxel Prestige 660 H-d3 Zyxel Prestige 661 Hw-d1

5

CVSSv2

The default SNMP configuration on ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) up to and including 3.40(AHQ.3), has a Trusted Host value of 0.0.0.0, which allows remote malicious users to send SNMP requests from any source IP address.

Zyxel Prestige 660 H-d3 Zyxel Prestige 661 Hw-d1 Zyxel Zynos 3.40 Zyxel Prestige 660 H-d1

4

CVSSv2

ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) up to and including 3.40(AHQ.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...

Zyxel Prestige 661 Hw-d1 Zyxel Zynos 3.40 Zyxel Prestige 660 H-d1 Zyxel Prestige 660 H-d3

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