Dell ControlVault3/ControlVault3 Plus cv_send_blockdata out-of-bounds read vulnerability
An out-of-bounds read vulnerability exists in the cv_send_blockdata functionality of Dell ControlVault3 prior to 5.15.10.14 and Dell ControlVault3 Plus prior to 6.2.26.36. A specially crafted ControlVault API call can lead to an information leak. An attacker can issue an API call to trigger this vulnerability.
- Published
- Jun 13, 2025
- Updated
- Jun 17, 2026
- EPSS
- 2.0% · 79th percentile
- CWE
- CWE-125
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Report tools
Action score
34
Monitor
Low priority for now.
- CVSS
- 33 / 40 · 8.4 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.0%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · talos
- 8.4
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
—
Versions reported by the vendor
Affected version ranges reported by the assigning authority (talos). Independent of NVD's CPE analysis and usually ahead of it.
Broadcom BCM5820X
- NAaffected
Dell ControlVault3
- before 5.15.10.14affected · semver
Dell ControlVault3 Plus
- before 6.2.26.36affected · semver
Same product
broadcom: all recordsOther highest-scoring records for the same primary product.
- CVE-2025-25215Dell ControlVault3/ControlVault3 Plus cv_close arbitrary free vulnerability36Monitor
- CVE-2025-25050Dell ControlVault3/ControlVault3 Plus cv_upgrade_sensor_firmware out-of-bounds write vulnerability36Monitor
- CVE-2025-24922Dell ControlVault3/ControlVault3 Plus securebio_identify stack-based buffer overflow vulnerability36Monitor
- CVE-2025-36553Dell ControlVault3 CvManager buffer overflow vulnerability35Monitor
- CVE-2025-32089Dell ControlVault3 CvManager_SBI buffer overflow vulnerability35Monitor
- CVE-2025-31649Dell ControlVault3 ControlVault WBDI Driver hard-coded password vulnerability34Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Dell ControlVault3 | 5.15.10.14 | Vendor (CNA) |
| Dell ControlVault3 Plus | 6.2.26.36 | Vendor (CNA) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- Philippe LaulheretCisco Talos.finder
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- none
- Availability
- high · the service can be disrupted
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-125 · Out-of-bounds ReadCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- www.dell.com/support/kbdoc/en-us/000276106/dsa-2025-053
- www.talosintelligence.com/vulnerability_reports/TALOS-2024-2127
Vendor advisories and official records. Exploit/PoC links are deliberately left out.