CVE-2025-48909 Auth bypass in HarmonyOS

High 7.1 Published Updated

Attackers can bypass authentication in the device management channel, potentially compromising service confidentiality 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-2025-48909?

CVE-2025-48909 is a high-severity authentication bypass vulnerability in Huawei Harmonyos, published on 6 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Bypass vulnerability in the device management channel Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Weakness: CWE-287

Which versions are affected by CVE-2025-48909?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2025-48909?

No fix has been published for CVE-2025-48909 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-2025-48909 being exploited?

There is no known exploitation of CVE-2025-48909 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-xwff-jwf7-fmhq.

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