CRLF injection vulnerability in the web-based management (WBM) interface in Unify (former Siemens) OpenStage SIP and OpenScape Desk Phone IP V3 devices before R3.32.0 allows remote authenticated users to modify the root password and consequently access the debug port using the serial interface via the ssh-password parameter to page.cmd.
https://www.modzero.ch/advisories/MZ-14-02-Siemens-Unify-OpenStage.txt
https://networks.unify.com/security/advisories/OBSO-1501-02.pdf