Auth bypass in Airoha Technology Corp. Ab156x, Ab157x, Ab158x, Ab159x Series

CVE-2025-20701

In the Airoha Bluetooth audio SDK, there is a possible way to pair Bluetooth audio device without user consent. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.087 (95.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-20701: rose from 0.077 to 0.087.

EPSS over last 30 days · oldest: 0.077 · newest: 0.087 · change: +0.010

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-20701?
CVE-2025-20701 is a high-severity vulnerability in Airoha Technology Corp. Ab156x, Ab157x, Ab158x, Ab159x Series, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2025-08-04.
How severe is CVE-2025-20701?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-20701 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.