CVE-2025-53379

HIGH

7.5

CVSS Score

Published: July 14, 2026 at 03:13 PM UTC

Updated: September 29, 2026 at 07:10 PM UTC

1 product affected across 1 vendorFortiAuthenticator

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Severity

HIGH7.5

Exploit prediction

EPSS 0.5%

SSVC

No known exploit

Description

A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FortiAuthenticator · Fortinet

95%

6.3.0 ≤ v ≤ 6.3.56.4.0 ≤ v ≤ 6.4.116.5.0 ≤ v ≤ 6.5.76.6.0 ≤ v ≤ 6.6.26.3.0 6.3.1 6.3.2 6.3.3 6.3.4 6.3.5 6.4.0 6.4.1 6.4.10 6.4.11 6.4.2 6.4.3 6.4.4 6.4.5 6.4.6 6.4.7 6.4.8 6.4.9 6.5.0 6.5.1 6.5.2 6.5.3 6.5.4 6.5.5 6.5.6 6.5.7 6.6.0 6.6.1 6.6.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://fortiguard.fortinet.com/psirt/FG-IR-26-146

References (1)

Vendor Advisory

Source: cverecord

https://fortiguard.fortinet.com/psirt/FG-IR-26-146

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-125

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