Exploit — Pbx

There are several types of PBX exploits, including:

), resulting in full system control. Toll Fraud: The most common goal of PBX hacking is making international or premium-rate calls at the business's expense. Eavesdropping: Once inside, attackers can intercept calls, access voicemails, and exfiltrate sensitive company data. High-Risk Vulnerabilities (April 2026) Vulnerability ID Description Impact CVE-2025-57819 Unauthenticated SQL injection leading to RCE. Full System Takeover CVE-2025-66039 Auth bypass by trusting specific HTTP Authorization headers. Admin Access CVE-2025-61678 Arbitrary file upload flaw. Remote Execution Critical Security Actions 10 sites The FreePBX Rabbit Hole: CVE-2025-66039 and others Dec 11, 2025 — pbx exploit