Huawei HarmonyOS/EMUI Kernel Ambient Light out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Huawei HarmonyOS and EMUI. This impacts an unknown function of the component Kernel Ambient Light Module. This manipulation causes out-of-bounds. This vulnerability appears as CVE-2025-54637. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Huawei HarmonyOS and EMUI (affected version not known). Affected by this vulnerability is some unknown functionality of the component Kernel Ambient Light Module. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:

Out-of-bounds array access issue due to insufficient data verification in the kernel ambient light module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

It is possible to read the advisory at consumer.huawei.com. This vulnerability is known as CVE-2025-54637 since 07/28/2025. The exploitation appears to be easy. Attacking locally is a requirement. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

VulDB Base Score: 2.3
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 4.4
CNA Vector (huawei): 🔒

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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

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-2025-54637 (🔒)
GCVE (CVE): GCVE-0-2025-54637
GCVE (VulDB): GCVE-100-318943

Entryinfo

Created: 08/06/2025 08:15
Updated: 08/11/2025 18:53
Changes: 08/06/2025 08:15 (62), 08/07/2025 05:19 (1), 08/11/2025 18:53 (11)
Complete: 🔍
Cache ID: 216::103

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