FortiAnalyzer 7.6.x Improper Auth via OFTP (info leak/DoS)
CVE-2025-53845 Published on October 14, 2025
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.
Vulnerability Analysis
CVE-2025-53845 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity, and a small impact on availability.
Weakness Type
What is an authentification Vulnerability?
When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.
CVE-2025-53845 has been classified to as an authentification vulnerability or weakness.
Products Associated with CVE-2025-53845
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Affected Versions
Fortinet FortiAnalyzer:- Version 7.6.0, <= 7.6.3 is affected.
- Version 7.4.0, <= 7.4.6 is affected.
- Version 7.2.0, <= 7.2.11 is affected.
- Version 7.0.0, <= 7.0.15 is affected.
- Version 6.4.0, <= 6.4.15 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.