CVE-2026-34866

Published: Apr 13, 2026Modified: Jun 17, 2026

5.1

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Exploitability: 2.5 / Impact: 2.5

Source: psirt@huawei.com (Secondary)

Description

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

Affected (1)

Products: Huawei: Harmonyos

Huawei

1 product

Harmonyos

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Huawei Harmonyos	Version 6.0.0

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (1)

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

Source: psirt@huawei.com

Vendor Advisory

Timeline

No history available yet.