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Medium severity5.3NVD Advisory· Published Oct 14, 2025· Updated Jun 17, 2026

CVE-2025-25255

CVE-2025-25255

Description

An Improperly Implemented Security Check for Standard vulnerability [CWE-358] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.11, FortiProxy 7.2 all versions, FortiProxy 7.0.1 through 7.0.22 may allow an unauthenticated proxy user to bypass the domain fronting protection feature via crafted HTTP requests.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

6
  • Fortinet/Fortiproxy3 versions
    cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*range: >=7.0.1,<7.6.4
    • cpe:2.3:a:fortinet:fortiproxy:7.6.3:*:*:*:*:*:*:*range: 7.6.0
    • (no CPE)range: 7.6.0-7.6.3, 7.4.0-7.4.11, 7.2 all versions, 7.0.1-7.0.22
  • Fortinet/Fortios3 versions
    cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*range: >=7.6.0,<7.6.4
    • cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*range: 7.6.0
    • (no CPE)range: 7.6.0-7.6.3

Patches

Vulnerability mechanics

References

1

News mentions

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