ZyXEL P-335WT UPnP AddPortMapping security bypass
| zyxel-upnp-security-bypass (26710) |  Low Risk |
Description:
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.
Consequences:
Bypass Security
Remedy:
No remedy available as of July 9, 2011.
References:
- 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
- VUPEN/ADV-2006-1910: ZyXEL P-335WT UPnP AddPortMapping Requests Port Mapping Vulnerability
Platforms Affected:
- ZyXEL P-335WT
Reported:
May 22, 2006
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