CVE-2026-34865 - Vulnerability Details - OpenCVE

Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact total

Vendors	Products
Huawei	Harmonyos

No data.

No data.

References

Link	Providers
https://consumer.huawei.com/en/support/bulletinwearables/2026/4/

History

Mon, 13 Apr 2026 14:30:00 +0000

Type	Values Removed	Values Added
Title		HarmonyOS Web Module Out-of-Bounds Write Vulnerability

Mon, 13 Apr 2026 13:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Mon, 13 Apr 2026 13:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Huawei Huawei harmonyos
Vendors & Products		Huawei Huawei harmonyos

Mon, 13 Apr 2026 07:15:00 +0000

Type	Values Removed	Values Added
Description		Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
Weaknesses		CWE-122
References		https://consumer.huawei.com/en/support/bulletinwearables/2026/4/
Metrics		cvssV4_0 `{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}`

MITRE

Status: PUBLISHED

Assigner: huawei

Published: 2026-04-13T06:02:29.393Z

Updated: 2026-04-13T13:08:00.297Z

Reserved: 2026-03-31T01:11:13.701Z

Link: CVE-2026-34865

Vulnrichment

Updated: 2026-04-13T13:07:57.448Z

NVD

Status : Awaiting Analysis

Published: 2026-04-13T07:16:49.977

Modified: 2026-04-13T15:01:43.663

Link: CVE-2026-34865

Redhat

No data.

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