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FortiOS

Fortinet FortiOS 5.2

Vulnerabilities, fixed releases, vendor recommendation and support status of the 5.2 branch, from official sources.

Sources last modified 17 Jun 2026 · Last verified by Patcharo: 1 Oct 2026 at 09:29 UTC

3
Matched CVEs

including 2 critical

1
CISA KEV
none stated
Newest fix stated
End of life · 13 Dec 2018
Support

In brief

Recommended maintenance build
No official recommendation
Recommended release
No official recommendation
Releases listed by the vendor
No release list read from the vendor
CERT-FR
0 documents

Vulnerabilities affecting 5.2

Each record matched to this branch with the fixed release the source states, newest first.

  1. Critical9.8CVSS 3.1, Critical
    First fixed releaseMigration to a fixed release required
    Published
  2. High8.8CVSS 3.1, High
    First fixed releaseMigration to a fixed release required
    Published
  3. Critical9.8CVSS 3.1, Critical
    First fixed releaseMigration to a fixed release required
    Published

Vendor recommendation

The vendor's own statement about what to run, with its date and source. Separate from vulnerabilities and from support status: being behind a recommendation is not a vulnerability, and a supported release is not necessarily the recommended one.

Support status

From the vendor's published life-cycle policy; support is not a recommendation.

  1. 5.2
    SupportEnd of life
    End of support13 Dec 2018

Fortinet Product Life Cycle (software) · retrieved 1 Oct 2026 at 13:38 UTC

How Patcharo reads this

Affected and fixed releases come from the vendor's structured statements, matched by exact version and patch level. The recommendation is the vendor's own statement; the support status comes from its life-cycle policy. Unknown never becomes Not affected.

Read the methodologyRead the guide: FortiOS version numbering: branches, patch releases and the Feature and Mature labels

Other FortiOS branches

All FortiOS vulnerabilities and branches

Official sources