CVE-2026-34866 PUBLISHED

Assigner: huawei
Reserved: 31.03.2026 Published: 13.04.2026 Updated: 13.04.2026

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

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS Score: 5.1

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	Huawei
Product	HarmonyOS
Versions	Default: unaffected Version 6.0.0 is affected

References

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

Problem Types

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE