Buffer overflow in Airoha Technology Corp. En7529, An7552, An7581, An7583 (Wi-Fi Npu Firmware)

CVE-2026-89142

In the Wi-Fi NPU FW, there is a possible out-of-bounds write due to an incorrect bounds check. This could lead to local denial of service with user execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-89142?
CVE-2026-89142 is a medium-severity vulnerability in Airoha Technology Corp. En7529, An7552, An7581, An7583 (Wi-Fi Npu Firmware), classified under Out-of-bounds Write. CVSS score: 6.3/10. Published 2026-11-06.
How severe is CVE-2026-89142?
Medium severity. CVSS v3 base score is 6.3 out of 10.