Huawei HarmonyOS 6.0.0 Audio use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Huawei HarmonyOS 6.0.0. This issue affects some unknown processing of the component Audio Module. Such manipulation leads to use after free. This vulnerability is listed as CVE-2025-66326. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Huawei HarmonyOS 6.0.0 and classified as critical. Affected by this issue is an unknown part of the component Audio Module. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Race condition vulnerability in the audio module. Impact: Successful exploitation of this vulnerability may affect availability.

The advisory is available at consumer.huawei.com. This vulnerability is handled as CVE-2025-66326 since 11/27/2025. The exploitation is known to be easy. Local access is required to approach this attack. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 12/10/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202512-995) and EUVD (EUVD-2025-201690). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.7
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔒

CNA Base Score: 6.7
CNA Vector (huawei): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/27/2025 CVE reserved
12/08/2025 +11 days Advisory disclosed
12/08/2025 +0 days VulDB entry created
12/10/2025 +2 days VulDB entry last update

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2025-66326 (🔒)
GCVE (CVE): GCVE-0-2025-66326
GCVE (VulDB): GCVE-100-334778
EUVD: 🔒
CNNVD: CNNVD-202512-995 - Huawei HarmonyOS 安全漏洞

Entryinfo

Created: 12/08/2025 09:46
Updated: 12/10/2025 03:27
Changes: 12/08/2025 09:46 (63), 12/08/2025 18:01 (1), 12/09/2025 23:13 (11), 12/10/2025 03:27 (6)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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