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VulnerabilityCVE-2025-20701Published 2025-08-04

CVE-2025-20701 — Airoha Technology Corp. AB156x, AB157x, AB158x, AB159x series

highPublic exploit1 PoC repo

As of 2026-06-21, CVE-2025-20701 is a HIGH-severity vulnerability in Airoha Technology Corp. AB156x, AB157x, AB158x, AB159x series, CVSS v3.1 8.8, EPSS 4.1% (89.6th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2025-20701, most recently “Airoha Bluetooth SoC Authentication Bypass & RACE Protocol Abuse (CVE-2025-20700/20701/20702) Enables Microphone Eavesdropping and Connection Hijacking on Beats Studio Buds and 28+ Headphone Models”.

CVSS v3.1
8.8/10High
EPSS
4.1%Higher than 89.6% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
1Campaigns referencing it
Priority
10/10Threadlinqs triage score
Published
Updated 2026-06-21
CVSS v3.1 8.8 (HIGH) · EPSS 4.1% (higher than 89.6% of all scored CVEs) · Priority 10/10 · Published 2025-08-04

Last updated:

What is 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.

The record classifies CVE-2025-20701 under weakness class CWE-863. Its CVSS v3 base vector states that the flaw is reachable from an adjacent network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 427 days ago.

Severity and exploitation probability

CVSS v3.1 base score
8.8 — HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST)
4.1% probability of exploitation in the next 30 days, higher than 89.6% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2025-08-04, last modified 2026-06-21

Is CVE-2025-20701 being exploited?

Weaponised exploit code for CVE-2025-20701 is publicly available. 1 public proof-of-concept repository is tracked for this identifier.

Affected products and versions

  • Airoha Technology Corp.: AB156x, AB157x, AB158x, AB159x series

How to fix CVE-2025-20701

No vendor patch reference has been recorded for CVE-2025-20701 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2025-20701

1 tracked threat in the Threadlinqs corpus references CVE-2025-20701, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Other references