CVE-2025-20700 Auth bypass in AB156x, AB157x, AB158x, AB159x series, AB1627
Attackers can bypass permissions to access critical RACE protocol data via Bluetooth LE, leading to remote privilege escalation in Airoha audio 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-2025-20700?
CVE-2025-20700 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 permission bypass that allows access critical data of RACE protocol through Bluetooth LE GATT service. 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-2025-20700?
How do I fix CVE-2025-20700?
No fix has been published for CVE-2025-20700 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-2025-20700 being exploited?
There is no known exploitation of CVE-2025-20700 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-2p7g-vp3j-4rrg.