Actively exploited in the wild
Crestron Multiple Products Command Injection Vulnerability
Crestron - Multiple Products · Listed in the CISA KEV since 2022-04-15. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2019-3929
CriticalCVSS 9.8KEVSummary
Multiple wireless presentation devices (including Crestron AM-100, Barco wePresent, Extron ShareLink) have a command injection vulnerability in the file_transfer.cgi HTTP endpoint, allowing a remote unauthenticated attacker to execute OS commands as root.
Risk Assessment
An attacker can gain full control of the device, potentially leading to interception of presentations, network access, and further attacks.
Recommendation
Update firmware on all affected devices to the latest versions and restrict access from external networks.
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Original NVD description (English source)
The Crestron AM-100 firmware 1.6.0.2, Crestron AM-101 firmware 2.7.0.1, Barco wePresent WiPG-1000P firmware 2.3.0.10, Barco wePresent WiPG-1600W before firmware 2.4.1.19, Extron ShareLink 200/250 firmware 2.0.3.4, Teq AV IT WIPS710 firmware 1.1.0.7, SHARP PN-L703WA firmware 1.4.2.3, Optoma WPS-Pro firmware 1.0.0.5, Blackbox HD WPS firmware 1.0.0.5, InFocus LiteShow3 firmware 1.0.16, and InFocus LiteShow4 2.0.0.7 are vulnerable to command injection via the file_transfer.cgi HTTP endpoint. A remote, unauthenticated attacker can use this vulnerability to execute operating system commands as root.