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VulnerabilityPublished Updated

CVE-2025-31514: Fortinet FortiOS · Information Disclosure

Affects Fortinet FortiOSSource CVE Database V5

0

Public exploit available · CVSS 2.6 Low · patch available : patch Fortinet FortiOS as a priority.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
2.6Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 29% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    CVSS exploit maturity: proof of concept public

  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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
FortinetFortiOSAffected
  • >=7.6.0 <=7.6.2
  • >=7.4.0 <=7.4.11
  • >=7.2.0 <=7.2.13
  • >=7.0.0 <=7.0.19
  • >=6.4.0 <=6.4.16
Fixed in–
FortinetFortiProxyAffected
  • >=7.6.0 <=7.6.3
  • >=7.4.0 <=7.4.13
  • >=7.2.0 <=7.2.16
  • >=7.0.0 <=7.0.23
Fixed in–

CPE configurations (59)

  • cpe:2.3:a:fortinet:fortiproxy:7.6.3:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiproxy:7.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiproxy:7.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiproxy:7.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiproxy:7.4.13:*:*:*:*:*:*:*
  • cpe:2.3:a:fortinet:fortiproxy:7.4.12:*:*:*:*:*:*:*

AI-suggested

An official fix is available from Fortinet. Users should apply the vendor-provided patches to affected FortiOS and FortiProxy versions to remediate this vulnerability. Since the vendor has released an official fix, updating to the patched versions is the recommended mitigation.

Description

A insertion of sensitive information into log file vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions may allow attacker to information disclosure via <insert attack vector here>

References

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