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CVE-2025-64157VulnerabilityPublished Updated

CVE-2025-64157: Fortinet FortiOS · Execute unauthorized code or commands

Affects Fortinet FortiOSSource CVE Database V5

0

Not known to be exploited · CVSS 6.7 Medium.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
6.7Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.5% chance of exploitation in 30 days – higher than 74% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:X

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
FortinetFortiOSAffected
  • >=7.6.0 <=7.6.4
  • >=7.4.0 <=7.4.9
  • >=7.2.0 <=7.2.11
  • >=7.0.0 <=7.0.19
Fixed in–

AI-suggested

Until an official fix is available, restrict administrative access to trusted personnel only and monitor for unusual configuration changes. Do not rely on generic mitigations as the vulnerability requires authenticated admin privileges.

Description

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0 all versions allows an authenticated admin to execute unauthorized code or commands via specifically crafted configuration.

References

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