Permission Bypass in Airoha Bluetooth Audio SDK
CVE-2025-20700

8.8HIGH

Key Information:

Vendor

Airoha Technology Corp.

Status
Ab156x, Ab157x, Ab158x, Ab159x Series, Ab1627
Vendor
CVE Published:
4 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-20700?

The Airoha Bluetooth audio SDK contains a vulnerability that enables a permission bypass, granting unauthorized access to sensitive data associated with the RACE protocol via Bluetooth LE GATT service. This flaw allows potential escalations in privilege without requiring additional execution privileges or user interaction, making it a significant risk for users relying on the affected SDK for secure Bluetooth communications.

Affected Version(s)

AB156x, AB157x, AB158x, AB159x series, AB1627 Airoha IoT SDK for BT audio v5.5.0 and earlier

AB156x, AB157x, AB158x, AB159x series, AB1627 Airoha AB1561x/AB1562x/AB1563x SDK v3.3.1 and earlier

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

mem-forensics-analysis
Created by Yedidia-Bakuradze

References

https://www.airoha.com/product-security-bulletin/2025

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.