Dell ControlVault3/ControlVault3 Plus ControlVault WBDI Driver buffer access with incorrect length value

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Dell ControlVault3 and ControlVault3 Plus. Affected by this issue is some unknown functionality of the component ControlVault WBDI Driver. Executing a manipulation can lead to buffer access with incorrect length value. This vulnerability is registered as CVE-2025-36462. The attack needs to be launched locally. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Dell ControlVault3 and ControlVault3 Plus (affected version not known). This vulnerability affects some unknown functionality of the component ControlVault WBDI Driver. The manipulation with an unknown input leads to a buffer access with incorrect length value vulnerability. The CWE definition for the vulnerability is CWE-805. The product uses a sequential operation to read or write a buffer, but it uses an incorrect length value that causes it to access memory that is outside of the bounds of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple out-of-bounds read and write vulnerabilities exist in the ControlVault WBDI Driver Broadcom Storage Adapter functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted WinBioControlUnit call can lead to memory corruption. An attacker can issue an api call to trigger this vulnerability. This vulnerability is triggered when submitting a `WinBioControlUnit` call to the StorageAdapter with the ControlCode 3 (`WBIO_USH_CREATE_CHALLENGE`) with an invalid `ReceiveBuferSize`.

The weakness was published by Philippe Laulheret as dsa-2025-228. The advisory is shared for download at dell.com. This vulnerability was named CVE-2025-36462 since 04/15/2025. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/18/2025).

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.3
CNA Vector (talos): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer access with incorrect length value
CWE: CWE-805 / CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/15/2025 CVE reserved
11/18/2025 +217 days Advisory disclosed
11/18/2025 +0 days VulDB entry created
11/18/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2025-228
Researcher: Philippe Laulheret
Status: Confirmed

CVE: CVE-2025-36462 (🔒)
GCVE (CVE): GCVE-0-2025-36462
GCVE (VulDB): GCVE-100-332740

Entryinfo

Created: 11/18/2025 07:33
Updated: 11/18/2025 08:18
Changes: 11/18/2025 07:33 (63), 11/18/2025 08:18 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!