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CVE-2026-34865

CRITICAL CVSS 4.0: 10.0 EPSS 0.03%
Updated Apr 17, 2026
Huawei
Parameter Value
CVSS 10.0 (CRITICAL)
Type CWE-122 (Heap-based Buffer Overflow)
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
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products 1

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