CVE-2020-5739 Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when…

Description

Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker adds an OpenVPN up script to the phone's VPN settings via the "Additional Settings" field in the web interface. When the VPN's connection is established, the user defined script is executed with root privileges.

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