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Vulnerability DatabaseCVE-2025-55018

CVE-2025-55018: 
FortiOS vulnerability analysis and mitigation

An inconsistent interpretation of http requests ('http request smuggling') vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request through the firewall policies via a specially crafted header

Source: NVD

Related FortiOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-22153HIGH8.1
  • FortiOSFortiOS
  • cpe:2.3:o:fortinet:fortios
NoYesFeb 10, 2026
CVE-2025-64157HIGH7.2
  • FortiOSFortiOS
  • cpe:2.3:o:fortinet:fortios
NoYesFeb 10, 2026
CVE-2025-68686MEDIUM5.9
  • FortiOSFortiOS
  • cpe:2.3:o:fortinet:fortios
NoYesFeb 10, 2026
CVE-2025-55018MEDIUM5.8
  • FortiOSFortiOS
  • cpe:2.3:o:fortinet:fortios
NoYesFeb 10, 2026
CVE-2025-62439MEDIUM4.2
  • FortiOSFortiOS
  • cpe:2.3:o:fortinet:fortios
NoYesFeb 10, 2026

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