CVE-2026-122118
CVE-2026-122118
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| AVHub Yealink |
≥ 0; < 153.135.0.76 (affected, custom)
Other versions: unaffected |
CNA: mitre |
| UVC86 Yealink |
≥ 0; < 151.435.0.66 (affected, custom)
Other versions: unaffected |
CNA: mitre |
| SmartVision 80 Yealink |
≥ 0; < 321.435.0.86 (affected, custom)
Other versions: unaffected |
CNA: mitre |
| UVC40 E2 Yealink |
≥ 0; < 319.410.0.66 (affected, custom)
Other versions: unaffected |
CNA: mitre |
| MeetingBorard C Yealink |
≥ 0; < 328.321.0.40 (affected, custom)
Other versions: unaffected |
CNA: mitre |
| MeetingBar A10 Yealink |
≥ 0; < 278.320.0.86 (affected, custom)
Other versions: unaffected |
CNA: mitre |
| MeetingBar A40 Yealink |
≥ 0; < 289.320.0.81 (affected, custom)
Other versions: unaffected |
CNA: mitre |
| MeetingBar A50 Yealink |
≥ 0; < 323.320.0.54 (affected, custom)
Other versions: unaffected |
CNA: mitre |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 7.4 high |
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N | CNA: mitre |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
For agents and automation
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