01 Record
CVE-2025-20702
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
HighPUBLISHEDCNA: MediaTek
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 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
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 10.73% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.7% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Deferred. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-08-04 06:20Z1 YR AGO
- Last updated
- 2026-02-26 17:50Z8 MO AGO
- Reserved
- 2024-11-01
- Assigning CNA
- MediaTek
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-306Missing Authentication for Critical FunctionBase
- Data version
- 5.2
- Document digest
- a33b64aa20ecab36c7fcdc85d32590c7eb85fcc8593a170779beb7b4fa42204d
05 Affected products
VendorProductVersionsPlatforms
Airoha Technology Corp.AB156x, AB157x, AB158x, AB159x series, AB1627Airoha IoT SDK for BT audio v5.5.0 and earlier, Airoha AB1561x/AB1562x/AB1563x SDK v3.3.1 and earlier—
06 References
- www.airoha.comhttps://www.airoha.com/product-security-bulletin/2025