Extron · Extron Sharelink 200/250 · CVE-2019-3929
**Name of the Vulnerable Software and Affected Versions**
Crestron AM-100 version 1.6.0.2
Crestron AM-101 version 2.7.0.1
Barco wePresent WiPG-1000P version 2.3.0.10
Barco wePresent WiPG-1600W versions prior to 2.4.1.19
Extron ShareLink 200/250 version 2.0.3.4
Teq AV IT WIPS710 version 1.1.0.7
SHARP PN-L703WA version 1.4.2.3
Optoma WPS-Pro version 1.0.0.5
Blackbox HD WPS version 1.0.0.5
InFocus LiteShow3 version 1.0.16
InFocus LiteShow4 version 2.0.0.7
**Description**
The issue allows a remote, unauthenticated attacker to execute operating system commands as root via command injection through the "file transfer.cgi" HTTP endpoint.
**Recommendations**
For Crestron AM-100 version 1.6.0.2, consider disabling access to the "file transfer.cgi" endpoint until a patch is available.
For Crestron AM-101 version 2.7.0.1, consider disabling access to the "file transfer.cgi" endpoint until a patch is available.
For Barco wePresent WiPG-1000P version 2.3.0.10, consider disabling access to the "file transfer.cgi" endpoint until a patch is available.
For Barco wePresent WiPG-1600W versions prior to 2.4.1.19, update to firmware 2.4.1.19 or later.
For Extron ShareLink 200/250 version 2.0.3.4, consider disabling access to the "file transfer.cgi" endpoint until a patch is available.
For Teq AV IT WIPS710 version 1.1.0.7, consider disabling access to the "file transfer.cgi" endpoint until a patch is available.
For SHARP PN-L703WA version 1.4.2.3, consider disabling access to the "file transfer.cgi" endpoint until a patch is available.
For Optoma WPS-Pro version 1.0.0.5, consider disabling access to the "file transfer.cgi" endpoint until a patch is available.
For Blackbox HD WPS version 1.0.0.5, consider disabling access to the "file transfer.cgi" endpoint until a patch is available.
For InFocus LiteShow3 version 1.0.16, consider disabling access to the "file transfer.cgi" endpoint until a patch is available.
For InFocus LiteShow4 version 2.0.0.7, consider disabling access to the "file transfer.cgi" endpoint until a patch is available.