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Vulnerability DatabaseCVE-2025-25249

CVE-2025-25249: 
FortiOS vulnerability analysis and mitigation

A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4.0 through 6.4.16, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to execute unauthorized code or commands via specially crafted packets

Source: NVD

Related FortiOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-24858CRITICAL9.8
  • FortiOSFortiOS
  • cpe:2.3:a:fortinet:fortimanager
YesYesJan 27, 2026
CVE-2025-25249CRITICAL9.8
  • FortiOSFortiOS
  • cpe:2.3:o:fortinet:fortios
NoYesJan 13, 2026
CVE-2025-59718CRITICAL9.8
  • FortiOSFortiOS
  • cpe:2.3:a:fortinet:fortiproxy
YesYesDec 09, 2025
CVE-2025-62631MEDIUM5.6
  • FortiOSFortiOS
  • cpe:2.3:o:fortinet:fortios
NoYesDec 09, 2025
CVE-2024-40593MEDIUM4.4
  • FortiOSFortiOS
  • cpe:2.3:o:fortinet:fortios
NoYesDec 11, 2025

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