Vulnerability · Published Aug 4, 2025 · Assigned by MediaTek
CVE-2025-20702
High 8.8
In plain English
A high-severity missing authentication in AB156x, AB157x, AB158x, AB159x series, AB1627 from Airoha Technology Corp.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 9.3% (higher than 95% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)9.3%top 4.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Airoha Technology Corp. | AB156x, AB157x, AB158x, AB159x series, AB1627 | Airoha IoT SDK for BT audio v5.5.0 and earlierAiroha AB1561x/AB1562x/AB1563x SDK v3.3.1 and earlier |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H