Overview

CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous.

Vulnerability Details

Organisations Involved

The following organisations are mentioned in relation to this incident: Fortinet, Under Exploitation, Vulnerability Reclassified.

Multi-Source Coverage

This event has been reported across multiple outlets:


Sources: darkreading. Aggregated by Cybernews Agency pipeline.