Huawei HarmonyOS/EMUI DFX Module out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Huawei HarmonyOS and EMUI. Affected by this vulnerability is an unknown functionality of the component DFX Module. The manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2026-24919. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Huawei HarmonyOS and EMUI (the affected version is unknown). It has been rated as critical. This issue affects an unknown code of the component DFX Module. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Out-of-bounds write vulnerability in the DFX module. Impact: Successful exploitation of this vulnerability may affect availability.

It is possible to read the advisory at consumer.huawei.com. The identification of this vulnerability is CVE-2026-24919 since 01/28/2026. The exploitation is known 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. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/11/2026).

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

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.2
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 6.0
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 write
CWE: CWE-787 / 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

01/28/2026 CVE reserved
02/06/2026 +9 days Advisory disclosed
02/06/2026 +0 days VulDB entry created
02/11/2026 +5 days VulDB entry last update

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2026-24919 (🔒)
GCVE (CVE): GCVE-0-2026-24919
GCVE (VulDB): GCVE-100-344663

Entryinfo

Created: 02/06/2026 10:57
Updated: 02/11/2026 07:58
Changes: 02/06/2026 10:57 (62), 02/11/2026 07:58 (11)
Complete: 🔍
Cache ID: 216::103

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