Medium severity4.3NVD Advisory· Published Nov 4, 2026

CVE-2026-122116

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Yealink/terminal devicesllm-create
Range: <2026-04-21

Patches

Vulnerability mechanics

References

www.yealink.com/en/trust-center/security-bulletins/wifi-8021x-peap-authentication-credential-leakage-vulnerabilitynvd

News mentions

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