CVE-2026-122118

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-122118
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-04 18:17:43 UTC
Updated2026-11-04 20:19:12 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.4 HIGH from [email protected]

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Problem Types: CWE-334 | CWE-334 CWE-334 Small Space of Random Values

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.4HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
3.1CNACVSS7.4HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Yealink AVHub affected 153.135.0.76 custom Not specified
CNA Yealink UVC86 affected 151.435.0.66 custom Not specified
CNA Yealink SmartVision 80 affected 321.435.0.86 custom Not specified
CNA Yealink UVC40 E2 affected 319.410.0.66 custom Not specified
CNA Yealink MeetingBorard C affected 328.321.0.40 custom Not specified
CNA Yealink MeetingBar A10 affected 278.320.0.86 custom Not specified
CNA Yealink MeetingBar A40 affected 289.320.0.81 custom Not specified
CNA Yealink MeetingBar A50 affected 323.320.0.54 custom Not specified

References

ReferenceSourceLinkTags
www.yealink.com/en/trust-center/security-bulletins/wifi-ap-weak-password-vuln... [email protected] www.yealink.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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