CVE-2025-54636 Memory corruption in EMUI

Medium 4.4 Published Updated

A buffer overflow in the kernel drop detection module allows attackers to cause a denial of service on Huawei devices.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-54636?

CVE-2025-54636 is a medium-severity memory corruption vulnerability in Huawei Emui, published on 6 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Issue of buffer overflow caused by insufficient data verification in the kernel drop detection module. Impact: Successful exploitation of this vulnerability may affect availability.

Weakness: CWE-20

Which versions are affected by CVE-2025-54636?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2025-54636?

No fix has been published for CVE-2025-54636 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-54636 being exploited?

There is no known exploitation of CVE-2025-54636 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-2jm4-4x2h-4g5p.

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