Fortinet FortiOS: Mehrere Schwachstellen
WID-SEC-2026-0387 · first 11.02.2026 · updated 28.07.2026 · CVSS 8,1
What it is about
FortiOS ist ein gehärtetes Betriebssystem für FortiGate Plattformen. Ein Angreifer kann mehrere Schwachstellen in Fortinet FortiOS ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Informationen offenzulegen oder Code auszuführen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- Sicherheitsvorkehrungen zu umgehen
- Informationen offenzulegen oder Code auszuführen
Am I affected?
Affected according to the BSI:
- Fortinet FortiOS <7.6.1
- Fortinet FortiOS <7.6.2
- Fortinet FortiOS <7.4.7
- Fortinet FortiOS <7.2.11
- Fortinet FortiOS <7.4.9
- Fortinet FortiOS <7.6.5
- Fortinet FortiOS <7.4.10
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Fortinet FortiOS 7.6.1
- Fortinet FortiOS 7.6.2
- Fortinet FortiOS 7.4.7
- Fortinet FortiOS 7.2.11
- Fortinet FortiOS 7.4.9
- Fortinet FortiOS 7.6.5
- Fortinet FortiOS 7.4.10
Is the vulnerability already being exploited?
- CVE-2025-68686: exploited in the wild according to CISA, in the catalogue since 27.07.2026.
Information and sources
- Original BSI advisory (WID)
- FG-IR-25-667 vom 2026-02-10 www.fortiguard.com
- FG-IR-25-384 vom 2026-02-10 www.fortiguard.com
- FG-IR-25-795 vom 2026-02-10 www.fortiguard.com
- FG-IR-25-934 vom 2026-02-10 www.fortiguard.com
- FG-IR-25-1052 vom 2026-02-10 www.fortiguard.com
- CISA Adds Two Known Exploited Vulnerabilities to Catalog vom 2026-07-27 www.cisa.gov
CVE: CVE-2025-55018, CVE-2025-62439, CVE-2025-64157, CVE-2025-68686, CVE-2026-22153
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.