Fortinet’s Zero-Day Drama: FortiVoice Phones Get a Security Makeover!

Fortinet has patched a critical zero-day vulnerability in FortiVoice systems that allowed attackers to execute remote code. The flaw, also affecting other Fortinet products, was actively exploited in the wild. Fortinet advises disabling HTTP/HTTPS administrative interfaces and checking for fcgi debugging as signs of compromise.

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Hot Take:

Oh, Fortinet, you’ve done it again! Imagine a phone system that’s more popular with hackers than a free donut day at the local bakery. With a zero-day vulnerability that let attackers waltz right into your systems, it’s no wonder Fortinet’s servers were practically throwing a house party for cybercriminals. Thankfully, Fortinet has finally put a stop to the shenanigans with their recent patch. Better late than never, right?

Key Points:

  • Fortinet patched a critical zero-day vulnerability (CVE-2025-32756) affecting FortiVoice systems.
  • The vulnerability allowed remote code execution via malicious HTTP requests.
  • Attackers exploited this flaw to deploy malware and steal credentials.
  • Compromised systems had ‘fcgi debugging’ enabled, a key indicator of compromise.
  • Fortinet advises disabling HTTP/HTTPS administrative interfaces as a precaution.

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