CVE-2025-20702 Auth bypass in AB156x, AB157x, AB158x, AB159x series, AB1627

High 8.8 Published Updated

Attackers can remotely escalate privileges via unauthorized RACE protocol access in Airoha Bluetooth audio SDKs without user interaction.

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-2025-20702?

CVE-2025-20702 is a high-severity authentication bypass vulnerability in Airoha Technology Corp. AB156x, AB157x, AB158x, AB159x series, AB1627, published on 4 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Airoha Bluetooth audio SDK, there is a possible unauthorized access to the RACE protocol. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-306

Which versions are affected by CVE-2025-20702?

How do I fix CVE-2025-20702?

No fix has been published for CVE-2025-20702 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-2025-20702 being exploited?

There is no known exploitation of CVE-2025-20702 in the wild and no public exploit code.

Sources

Also known as GHSA-x6p6-67fx-pvg4.

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