FortiWeb CVE-2025-58034: Exploited Zero-Day Command Injection in WAF
Dissecting the active-in-the-wild OS command injection vulnerability and its implications for enterprise threat monitoring In November 2025, threat intelligence teams began warning of a newly discovered zero-day vulnerability in a widely-deployed web application firewall appliance. The vulnerability — CVE-2025-58034 — allows authenticated attackers to execute arbitrary OS commands via crafted HTTP requests or CLI commands.