CVE-2025-53845 Auth bypass in FortiAnalyzer
Unauthenticated attackers can access device health information or cause denial of service via crafted OFTP requests in FortiAnalyzer.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-53845?
CVE-2025-53845 is a medium-severity authentication bypass vulnerability in Fortinet Fortianalyzer, published on 14 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper authentication vulnerability [CWE-287] in Fortinet FortiAnalyzer version 7.6.0 through 7.6.3 and before 7.4.6 allows an unauthenticated attacker to obtain information pertaining to the device's health and status, or cause a denial of service via crafted OFTP requests.
Weakness: CWE-287
Which versions are affected by CVE-2025-53845?
It affects 1 product.
Products include Fortinet Fortianalyzer.
How do I fix CVE-2025-53845?
No fix has been published for CVE-2025-53845 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-53845 being exploited?
There is no known exploitation of CVE-2025-53845 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortianalyzer
- CVE-2026-24858 Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel
- CVE-2023-25610 Memory corruption in FortiAnalyzer
- CVE-2021-32603 Server-side request forgery in Fortinet FortiAnalyzer, FortiManager
- CVE-2020-12817 Cross-site scripting in Fortinet FortiAnalyzer
- CVE-2024-48886 Auth bypass in FortiOS
Sources
Also known as GHSA-ccxg-x54f-69cx.