CVE-2025-54630 Memory corruption in HarmonyOS

Medium 6.8 Published Updated

Insufficient data length verification in the DFA module allows attackers to cause a denial of service on HarmonyOS devices.

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

What is CVE-2025-54630?

CVE-2025-54630 is a medium-severity memory corruption vulnerability in Huawei Harmonyos, 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

:Vulnerability of insufficient data length verification in the DFA module. Impact: Successful exploitation of this vulnerability may affect availability.

Weakness: CWE-122

Which versions are affected by CVE-2025-54630?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2025-54630?

No fix has been published for CVE-2025-54630 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-2025-54630 being exploited?

There is no known exploitation of CVE-2025-54630 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-gx27-vfjc-c4hf.

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