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11 lines
648 B
Markdown
11 lines
648 B
Markdown
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# Yealink Device Management Platform SSRF (CVE-2021-27561)
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Yealink DM (Device Management) platform offers a comprehensive management solution with key features Unified Deployment and Management, Real-Time Monitoring and Alarm, Remote Troubleshooting. By chaining a pre-auth SSRF vulnerability and a command injection vulnerability, it is possible to execute commands as root without authentication against this product, by sending a simple HTTPS request to the remote target.
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**FOFA query rule**: [title="dm-v30"](https://fofa.so/result?qbase64=dGl0bGU9ImRtLXYzMCI%3D)
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# Demo
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