CVE-2025-54633

MEDIUM
2025-08-06 [email protected]
6.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:05 vuln.today
CVE Published
Aug 06, 2025 - 03:15 nvd
MEDIUM 6.7

Tags

Buffer Overflow Information Disclosure Harmonyos

Description

Out-of-bounds read vulnerability in the register configuration of the DMA module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Analysis

Out-of-bounds read vulnerability in the register configuration of the DMA module. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. Out-of-bounds read vulnerability in the register configuration of the DMA module. Impact: Successful exploitation of this vulnerability may affect service confidentiality. Affected products include: Huawei Harmonyos.

Affected Products

Huawei Harmonyos.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.

Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +34
POC: 0

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CVE-2025-54633 vulnerability details – vuln.today
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