Vulnerability · Published Nov 17, 2025 · Assigned by talos
CVE-2025-36553Dell ControlVault3 CvManager buffer overflow vulnerability
High 8.8
In plain English
A high-severity buffer overflow in BCM5820X from Broadcom. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.3%top 78.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | BCM5820X | NA |
| Dell | ControlVault3 | 0 – before 5.15.14.19 |
| Dell | ControlVault3 Plus | 0 – before 6.2.36.47 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H