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D-Link DSL-G604T Wireless Router Directory Traversal

SUMMARY

"DSL-G604T, a Wireless ADSL router modem combining both an ADSL modem and
802.11g wireless router in one unit, bringing high-speed wireless Internet
connection to a home or office."

Improper parameter validation causes a directory traversal situation with
D-Link DSL-G604T Wireless Routers.

DETAILS

Vulnerable Systems:

• D-Link firmware version V1.00B02T02.EU.20040618

D-Link DSL-G604T Wireless Router does not properly validate and check the
user input.
Attackers can cause a directory traversal by using the parameter getpage
that is used with /cgi-bin/webcm .

Proof of Concept:
http://192.168.1.1/cgi-bin/webcm?getpage=/etc/passwd

ADDITIONAL INFORMATION

The information has been provided by <mailto:[email protected]> Qex.

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