What is CVE-2026-122116?

CVE-2026-122116 is a medium-severity vulnerability in Yealink Ax83h、ax86r, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-11-04.

How severe is CVE-2026-122116?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Yealink Ax83h、ax86r

CVE-2026-122116

Certain Yealink terminal devices before 2026-04-21 contain an improper access control vulnerability in the Wi-Fi 802.1X PEAP network configuration function. This flaw exposes deployed 802.1X network access authentication credentials to unauthorized users. The latest Yealink firmware has addressed this vulnerability by restricting 802.1X configuration modification privileges to administrator accounts only by default.

Vulnerability class: Broken Access Control

Published 2026-11-04 · last modified 2026-11-04.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

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)

CWE-863 — Incorrect Authorization

References

www.yealink.com/en/trust-center/security-bulletins/wifi-8021x-peap-authenticati…

Frequently asked questions

What is CVE-2026-122116?: CVE-2026-122116 is a medium-severity vulnerability in Yealink Ax83h、ax86r, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-11-04.
How severe is CVE-2026-122116?: Medium severity. CVSS v3 base score is 4.3 out of 10.