CVE-2026-122118

Wi‑Fi Access Point Weak Password Vulnerability in Yealink Devices

Published Nov 4, 2026 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Description
In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient strength is used. Attackers can exploit this weakness via brute-force attacks to gain unauthorized network access and intercept Wi-Fi traffic.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Wi‑Fi Access Point Weak Password Vulnerability in Yealink Devices
Type Values Removed Values Added
Description In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient strength is used. Attackers can exploit this weakness via brute-force attacks to gain unauthorized network access and intercept Wi-Fi traffic.
Weaknesses CWE-334
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 4, 2026, 8:00 PM
Reserved
Nov 4, 2026, 5:55 PM
Status
Deferred
Published
Nov 4, 2026, 6:17 PM
Modified
Nov 12, 2026, 7:11 PM