Fortinet Security Updates – 15 October 2025

Fortinet has released security updates to fix several vulnerabilities across multiple Fortinet products.

The addressed vulnerabilities could allow the attacker to gain elevated privileges, obtain sensitive information, bypass security restrictions, conduct cross-site scripting or denial of service attacks, read arbitrary files via uploading a malicious solution pack, or execute arbitrary code and gain access to the affected product.

Sample of the addressed vulnerabilities:

1. FortiIsolator Improper Session Handling During Authentication Vulnerability (CVE-2024-33507):

  • CVSS: 7
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Denial of Service

2. FortiClientMac Local Privilege Escalation in LaunchDaemon Vulnerability (CVE-2025-57741):

  • CVSS: 7
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Consequences: Gain Privileges

Sample of the affected products:

  • FortiManager 7.4.1 through 7.6.1.
  • FortiMail 7.2.5 through 7.4.2.
  • FortiVoice 6.0 all versions.
  • FortiVoice 7.0.0 through 7.0.4.
  • FortiOS 7.6.0 through 7.6.3, 7.4.0 through 7.4.9, 7.2.6 through 7.2.11.
  • FortiSIEM 7.1.7 through 7.2.2.
Vulnerabilities
Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

Fortinet Security Advisory

References