PT-2025-41948 · Fortinet · Fortiproxy+1

Published 2025-10-14 · Updated 2025-10-16 · CVE-2025-25253

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions FortiProxy versions 7.0 through 7.6.1 FortiOS versions 7.0 through 7.6.2

Description An improper validation of certificate with host mismatch exists in ZTNA proxy, potentially allowing an unauthenticated attacker in a man-in-the-middle position to intercept and tamper with connections. This issue affects FortiProxy and FortiOS ZTNA.

Recommendations FortiProxy versions 7.0 through 7.6.1 should be updated. FortiOS versions 7.0 through 7.6.2 should be updated.

Fix

Weakness Enumeration

CWE-297

Related Identifiers

BDU:2025-13338

CVE-2025-25253

Affected Products

Fortios

Fortiproxy

References · 9

• https://bdu.fstec.ru/vul/2025-13338 · Security Note
• https://osv.dev/vulnerability/CVE-2025-25253 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-25253 · Security Note
• https://fortiguard.fortinet.com/psirt/FG-IR-24-457 · Vendor Advisory
• https://twitter.com/CVEnew/status/1978932603328827420 · Twitter Post
• https://twitter.com/CveTodo/status/1978138362096615743 · Twitter Post
• https://t.me/CVEtracker/34859 · Telegram Post
• https://t.me/cveNotify/138573 · Telegram Post
• https://twitter.com/ZeroPathLabs/status/1978148134099276183 · Twitter Post