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.
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-122116?
CVE-2026-122116 is a medium-severity vulnerability in Yealink AX83H、AX86R, published on 4 Nov 2026.
Official description
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.
Weakness: CWE-863
Which versions are affected by CVE-2026-122116?
How do I fix CVE-2026-122116?
No fix has been published for CVE-2026-122116 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-122116 being exploited?
There is no known exploitation of CVE-2026-122116 in the wild and no public exploit code.
Sources
Also known as GHSA-9q83-h82m-rw63.