UpHeron
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Servers and applications

CVE-2025-25255

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.

Severity
Medium 4.3
Published
14 Oct 2025
Last changed
18 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.6.4
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiProxyServers and applications · cpe:a:fortinet:fortiproxy
  • From 7.0.1 before 7.6.4
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • From 7.6.0 before 7.6.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-25255
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-25255