Huawei HarmonyOS 5.1.0 WantAgent resource control

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 (≈)
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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.
4.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Huawei HarmonyOS 5.1.0. This vulnerability affects unknown code of the component WantAgent Module. Such manipulation leads to resource control. This vulnerability is uniquely identified as CVE-2025-54621. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in Huawei HarmonyOS 5.1.0 and classified as problematic. Affected by this issue is some unknown functionality of the component WantAgent Module. The manipulation with an unknown input leads to a resource control vulnerability. Using CWE to declare the problem leads to CWE-664. The product does not maintain or incorrectly maintains control over a resource throughout its lifetime of creation, use, and release. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Iterator failure issue in the WantAgent module. Impact: Successful exploitation of this vulnerability may cause memory release failures.

The advisory is shared for download at consumer.huawei.com. This vulnerability is handled as CVE-2025-54621 since 07/28/2025. The exploitation is known 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 12/08/2025).

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector (huawei): 🔒

CVSSv2info

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

Exploitinginfo

Class: Resource control
CWE: CWE-664
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

07/28/2025 CVE reserved
08/06/2025 +9 days Advisory disclosed
08/06/2025 +0 days VulDB entry created
12/08/2025 +124 days VulDB entry last update

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2025-54621 (🔒)
GCVE (CVE): GCVE-0-2025-54621
GCVE (VulDB): GCVE-100-318992

Entryinfo

Created: 08/06/2025 08:27
Updated: 12/08/2025 21:55
Changes: 08/06/2025 08:27 (62), 08/06/2025 13:41 (1), 12/08/2025 21:55 (11)
Complete: 🔍
Cache ID: 216::103

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