CVE-2025-4663 Denial-of-Service (DoS) after Unusual or Exceptional Conditions vulnerability
An authenticated attacker can cause a denial of service by interrupting a remote supportsave command via SSH.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-4663?
CVE-2025-4663 is a medium-severity denial of service vulnerability in Broadcom Fabric Operating System, published on 8 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An Improper Check for Unusual or Exceptional Conditions vulnerability in Brocade Fabric OS before 9.2.2.a could allow an authenticated, network-based attacker to cause a Denial-of-Service (DoS). The vulnerability is encountered when supportsave is invoked remotely, using ssh command or SANnav inline ssh, and the corresponding ssh session is terminated with Control C (^c ) before supportsave completion. This issue affects Brocade Fabric OS 9.0.0 through 9.2.2
Weakness: CWE-754
Which versions are affected by CVE-2025-4663?
It affects 1 product.
Products include Broadcom Fabric Operating System.
How do I fix CVE-2025-4663?
No fix has been published for CVE-2025-4663 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-4663 being exploited?
There is no known exploitation of CVE-2025-4663 in the wild and no public exploit code.
Other vulnerabilities in Broadcom Fabric Operating System
Sources
Also known as GHSA-c5j5-q67x-gpcc.