Missing authentication in Airoha Technology Corp. AB156x, AB157x, AB158x, AB159x series…
Priority MEDIUM 50CWE-306Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-306.
Summary
In the Airoha Bluetooth audio SDK, there is a possible permission bypass that allows access critical data of RACE protocol through Bluetooth LE GATT service. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.07357 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Airoha Technology Corp. | AB156x, AB157x, AB158x, AB159x series, AB1627 | Airoha IoT SDK for BT audio v5.5.0 and earlier; Airoha AB1561x/AB1562x/AB1563x SDK v3.3.1 and earlier | — | No fix listed | CNA |
- AB156x, AB157x, AB158x, AB159x series, AB1627 VendorAiroha Technology Corp. Affected Airoha IoT SDK for BT audio v5.5.0 and earlier; Airoha AB1561x/AB1562x/AB1563x SDK v3.3.1 and earlier Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-20700
- 2026-10-03 Alias added: GHSA-2p7g-vp3j-4rrg
- 2026-11-05 EPSS moved to the 90th–95th percentile
References
More Airoha Technology Corp. vulnerabilities
- TI-2025-14771 Missing authentication in Airoha Technology Corp. AB156x, AB157x, AB158x, AB159x series… CVSS 3.1HIGH 8.8
- TI-2025-14770 Incorrect authorization in Airoha Technology Corp. AB156x, AB157x, AB158x, AB159x series CVSS 3.1HIGH 8.8
- TI-2026-85718 Out-of-bounds write in Airoha Wi-Fi NPU firmware CVSS 3.1MEDIUM 6.3
Sources
- CVE-2025-20700 · CVE Program
- CVE-2025-20700 · NVD
- FIRST EPSS
- GHSA-2p7g-vp3j-4rrg · GitHub Advisory Database · CC BY 4.0
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