What is CVE-2026-122124?

CVE-2026-122124 is a medium-severity vulnerability in Yealink Uvc40 E2, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 6.1/10. Published 2026-11-04.

How severe is CVE-2026-122124?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Yealink Uvc40 E2

CVE-2026-122124

On Yealink UVC40 E2 devices before 319.410.0.71, an attacker with short-term physical access can steal Wi‑Fi credentials via the USB interface. Sensitive data within the firmware configuration can be abused to gain root privileges on the device. Within Wi‑Fi coverage, the attacker may perform audio and video eavesdropping with no LED alert from the device.

Published 2026-11-04.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

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

Yealink Uvc40 E2

Weakness classification (CWE)

CWE-669 — Incorrect Resource Transfer Between Spheres

References

www.yealink.com/en/trust-center/security-bulletins/yealink-uvc40-e2-physical-ac…

Frequently asked questions

What is CVE-2026-122124?: CVE-2026-122124 is a medium-severity vulnerability in Yealink Uvc40 E2, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 6.1/10. Published 2026-11-04.
How severe is CVE-2026-122124?: Medium severity. CVSS v3 base score is 6.1 out of 10.