CVE-2025-36553 Dell ControlVault3 CvManager buffer overflow vulnerability
A buffer overflow in Dell ControlVault firmware allows attackers to trigger memory corruption via crafted API calls, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-36553?
CVE-2025-36553 is a high-severity memory corruption vulnerability in Broadcom BCM5820X, published on 17 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer overflow vulnerability exists in the CvManager functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted ControlVault API call can lead to memory corruption. An attacker can issue an api call to trigger this vulnerability.
Weakness: CWE-120
Which versions are affected by CVE-2025-36553?
How do I fix CVE-2025-36553?
No fix has been published for CVE-2025-36553 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-36553 being exploited?
There is no known exploitation of CVE-2025-36553 in the wild and no public exploit code.
Sources
Also known as GHSA-v5g8-xxhr-6hqm.