Fortinet · week of 12 Oct 2026

Fortinet security note

Records on this stack that changed between 12 Oct 2026 and the following Monday. Versions come from the stored ranges. A quiet week is not proof the stack is clear.

What changed

  • CVE-2025-25250 — Check this week

    An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.7, FortiOS 7.2 all versions

    Affected: 7.0.0 ≤7.0.19

  • CVE-2025-24471 — Check this week

    An Improper Certificate Validation vulnerability [CWE-295] in FortiOS version 7.6.1 and below, version 7.4.7 and below may allow an EAP verified remote user to connect from FortiCl

    Affected: 7.6.0 ≤7.6.1

  • CVE-2024-55599 — Check this week

    An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiOS version 7.6.0, version 7.4.7 and below, 7.0 all versions, 6.4 all versions and FortiProxy v

    Affected: 7.4.0 ≤7.4.7

  • CVE-2024-50562 — Check if you run it

    An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL-VPN version 7.6.0, version 7.4.6 and below, version 7.2.10 and below, 7.0 all versions, 6.4 all versions m

    Affected: 7.4.0 ≤7.4.5

  • CVE-2022-0778 — Check this week

    The BN_mod_sqrt() function, which computes a modular square root, contains a bug that can cause it to loop forever for non-prime moduli.

    Affected: 10.0, 11.0, 9.0

What we still do not know

  • CVE-2025-64446 — Patch now

    Fortinet FortiWeb Path Traversal Vulnerability

    No version range is stored, so an installed version cannot be checked.

  • CVE-2025-61624 — Patch now

    Fortinet Multiple Products Path Traversal Vulnerability

    No version range is stored, so an installed version cannot be checked.

  • CVE-2025-62631 — Patch now

    Fortinet FortiOS Insufficient Session Expiration

    No version range is stored, so an installed version cannot be checked.

  • CVE-2025-57739 — Check if you run it

    SQL command injection in webmail

    No version range is stored, so an installed version cannot be checked.

  • CVE-2026-84393 — Check if you run it

    ZTNA Portal Improper Certificate Validation

    No version range is stored, so an installed version cannot be checked.

  • CVE-2026-84392 — Check if you run it

    Null Pointer Dereference in Log Report

    No version range is stored, so an installed version cannot be checked.

  • CVE-2026-71408 — Check if you run it

    UI DoS attack

    No version range is stored, so an installed version cannot be checked.

  • CVE-2026-71407 — Check if you run it

    Stack buffer overflow in WAD

    No version range is stored, so an installed version cannot be checked.

Share this note

Fortinet security note, week of 12 Oct 2026: 5 records have a version a customer can check, and 8 still do not. https://zerodayfindings.com/technologies/fortinet/notes/2026-W42