Huawei HarmonyOS 5.0.1/5.1.0 Compression privileges management

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $5k-$25k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Huawei HarmonyOS 5.0.1/5.1.0. Impacted is an unknown function of the component Compression Module. Performing a manipulation results in privileges management. This vulnerability is cataloged as CVE-2025-66324. The attack must be initiated from a local position. There is no exploit available.
Details
A vulnerability was found in Huawei HarmonyOS 5.0.1/5.1.0. It has been classified as critical. This affects an unknown code of the component Compression Module. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Input verification vulnerability in the compression and decompression module. Impact: Successful exploitation of this vulnerability may affect app data integrity.
It is possible to read the advisory at consumer.huawei.com. This vulnerability is uniquely identified as CVE-2025-66324 since 11/27/2025. The exploitability is told to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/10/2025). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
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-202512-996) and EUVD (EUVD-2025-201679). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.huawei.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔒
CNA Base Score: 8.4
CNA Vector (huawei): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
11/27/2025 CVE reserved12/08/2025 Advisory disclosed
12/08/2025 VulDB entry created
12/10/2025 VulDB entry last update
Sources
Vendor: huawei.comAdvisory: consumer.huawei.com
Status: Confirmed
CVE: CVE-2025-66324 (🔒)
GCVE (CVE): GCVE-0-2025-66324
GCVE (VulDB): GCVE-100-334779
EUVD: 🔒
CNNVD: CNNVD-202512-996 - Huawei HarmonyOS 安全漏洞
Entry
Created: 12/08/2025 09:46Updated: 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
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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