High · published December 11, 2025
⚡ A crafty command injection vulnerability lurks in TeamViewer DEX! Authenticated users with Actioner privileges can potentially unleash arbitrary commands on connected devices. 🔥 Think of it like being a chef who can not only cook but also sneak in surprise ingredients without the head chef knowing — that’s what this flaw allows attackers to do with command inputs! If exploited, this vulnerability could allow attackers to execute elevated commands on any device connected to the platform, which is absolutely devastating! Imagine an intruder having full control, enabling them to alter settings, access sensitive data, or even disrupt services.
Think of it like being a chef who can not only cook but also sneak in surprise ingredients without the head chef knowing — that’s what this flaw allows attackers to do with command inputs! This command injection vulnerability stems from improper input validation in the 1E-Explorer-TachyonCore-DevicesListeningOnAPort instruction in versions before V21 of TeamViewer DEX. It allows authenticated attackers to inject arbitrary commands, leading to remote execution.
If exploited, this vulnerability could allow attackers to execute elevated commands on any device connected to the platform, which is absolutely devastating! Imagine an intruder having full control, enabling them to alter settings, access sensitive data, or even disrupt services. To mitigate this, update TeamViewer DEX to the latest version, V21 or higher. Additionally, review user privilege assignments to ensure only trusted users have Actioner privileges, and implement strict input validation processes. This is fixable! Follow these steps, and you'll have your system secured in no time. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| teamviewer/digital_employee_experience | < 21.0 | 21.0 |