A leftover debug code vulnerability exists in the Telnet Diagnostic Interface functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted series of network requests can lead to unauthorized access. An attacker can send a sequence of requests to trigger this vulnerability.

A heap-based buffer overflow vulnerability exists in the Programming Software Connection FiBurn functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to a buffer overflow. An attacker can send an unauthenticated packet to trigger this vulnerability. A length exceeded buffer overflow vulnerability exists in the Programming Software Connection CurrDir functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to a denial of service. An attacker can send an unauthenticated packet to trigger this vulnerability. An allocation failed buffer overflow vulnerability exists in the Programming Software Connection CurrDir functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to a denial of service. An attacker can send an unauthenticated packet to trigger this vulnerability. A null-byte write vulnerability exists in the Programming Software Connection FileSystem API functionality of AutomationDirect P3-550E 1.2.10.9. Specially crafted network packets can lead to heap-based memory corruption. An attacker can send malicious packets to trigger these vulnerabilities. A null-byte write vulnerability exists in the Programming Software Connection FileSystem API functionality of AutomationDirect P3-550E 1.2.10.9. Specially crafted network packets can lead to heap-based memory corruption. An attacker can send malicious packets to trigger these vulnerabilities. A null-byte wr…