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CVE-2026-34866

MEDIUM CVSS 3.1: 5.1 EPSS 0.01%
Updated Apr 17, 2026
Huawei
Parameter Value
CVSS 5.1 (MEDIUM)
Type CWE-120 (Buffer Copy without Checking Size)
Vendor Huawei
Public PoC No

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

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Huawei Harmonyos
cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:*