ErrTraffic Under the Hood: A look at the source code

This report examines the ErrTraffic Traffic Distribution System (TDS) source code and deployments, revealing critical design flaws—unrestricted authenticated file uploads and an unremoved or reinitializable install.php enabling admin takeover, plus database-driven filename handling that allows path traversal and source disclosure—that allow remote code execution and full panel compromise; the panel is actively sold by a criminal user ('LenAI') and is used to distribute malware and tie into C2 infrastructure.