CVE-2025-53379
CVSSv3 Score: 7.0 An out of bounds read [CWE-125] vulnerability in FortiAuthenticator may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request. Revised on 2026-07-14 00:00:00
CSIRTS triage
- What
- A remote unauthenticated attacker may retrieve sensitive information via a specially crafted request.
- Who is affected
- Deployments of FortiAuthenticator.
- Urgency
- Remediation is urgent due to the risk of sensitive data exposure.
- Action
- Apply the latest security updates for FortiAuthenticator.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2025-53379
Get an email if CVE-2025-53379 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all EPSS-scored CVEs.
Advisory coverage (4)
- unknownNCSC-2026-0244 [1.00] [M/H] Vulnerability fixed in Fortinet FortiAuthenticatorncsc-nl · 2026-07-17
- unknownMultiple vulnerabilities in Fortinet products (July 15, 2026)cert-fr-avis · 2026-07-15
- highCVE-2025-53379: A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAu…nvd · 2026-07-14
- unknownOut of bounds read in GUIfortinet · 2026-07-14
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2025-53379)