CVE-2008-1523

Description

ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) through 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.html, and then reading the HTML source.

Affected products

• Zyxel / prestige_660h-d1 – h-d1
• Zyxel / prestige_660h-d3 – h-d3
• Zyxel / prestige_661hw-d1 – hw-d1
• Zyxel / zynos3.40 – 3.40
• Zyxel / zynos3.40 – 3.40
• Zyxel / zynos3.40 – 3.40
• Zyxel / zynos3.40 – 3.40
• Zyxel / zynos3.40 – 3.40
• Zyxel / zynos3.40 – 3.40

References

• MISChttp://www.securityfocus.com/archive/1/489009/100/0/threaded
• MISChttp://www.gnucitizen.org/projects/router-hacking-challenge/
• MISChttp://www.procheckup.com/Hacking_ZyXEL_Gateways.pdf
• MISChttps://exchange.xforce.ibmcloud.com/vulnerabilities/41509