CVE-2025-66330 Auth bypass in HarmonyOS
Attackers can bypass app lock verification in the file management app to access confidential data on Huawei HarmonyOS devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-66330?
CVE-2025-66330 is a medium-severity authentication bypass vulnerability in Huawei Harmonyos, published on 8 Dec 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
App lock verification bypass vulnerability in the file management app. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
Weakness: CWE-200
Which versions are affected by CVE-2025-66330?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2025-66330?
No fix has been published for CVE-2025-66330 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-66330 being exploited?
There is no known exploitation of CVE-2025-66330 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-j8fq-mhrh-h459.