ZyXEL P-335WT UPnP AddPortMapping security bypass
|zyxel-upnp-security-bypass (26710)||Low Risk|
The ZyXEL P-335WT broadband router could allow a remote attacker to bypass security restrictions and forward arbitrary traffic, caused by a vulnerability in the Universal Plug and Play (UPnP) service. An attacker could exploit this vulnerability by sending a specially-crafted AddPortMapping request with an invalid 'InternalClient' parameter.
No remedy available as of September 1, 2014.
- Securityview Web site: How does the UPnP flaw works.
- ZyXEL Communications Web site: ZyXEL Product & Solution - P-335WT.
- CVE-2006-2562: ZyXEL P-335WT router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a UPnP request with a modified InternalClient parameter, which is not validated, as demonstrated by using AddPortMapping to forward arbitrary traffic.
- SA20184: ZyXEL P-335WT UPnP Port Mapping Vulnerability
- ZyXEL P-335WT
May 22, 2006
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