Huawei HarmonyOS 5.1.0 Distributed Notification Service use after free

CVSS Meta Temp Score
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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.
6.3$5k-$25k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Huawei HarmonyOS 5.1.0. Affected by this vulnerability is an unknown functionality of the component Distributed Notification Service. Performing a manipulation results in use after free. This vulnerability is known as CVE-2025-54635. Access to the local network is required for this attack. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Huawei HarmonyOS 5.1.0. This affects an unknown code of the component Distributed Notification Service. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Vulnerability of returning released pointers in the distributed notification service. Impact: Successful exploitation of this vulnerability may affect availability.

The advisory is shared at consumer.huawei.com. This vulnerability is uniquely identified as CVE-2025-54635 since 07/28/2025. The exploitability is told to be easy. The attack needs to be initiated within the local network. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/11/2025).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CNA Base Score: 5.9
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: No
Local: No
Remote: Yes

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
08/11/2025 +5 days VulDB entry last update

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2025-54635 (🔒)
GCVE (CVE): GCVE-0-2025-54635
GCVE (VulDB): GCVE-100-318945

Entryinfo

Created: 08/06/2025 08:15
Updated: 08/11/2025 18:53
Changes: 08/06/2025 08:15 (63), 08/07/2025 05:06 (1), 08/11/2025 18:53 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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