CVE-2026-122120

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-122120
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-04 19:17:39 UTC
Updated2026-11-04 19:17:39 UTC
DescriptionIn Yealink Plug-in Softwares before 2.35.219.0, there is an unauthorized file write vulnerability under specific scenarios, which may be exploited by attackers to achieve remote code execution.

Risk And Classification

Primary CVSS: v3.1 9 CRITICAL from [email protected]

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

EPSS: 0.005130000 probability, percentile 0.439080000 (date 2026-11-05)

Problem Types: CWE-434 | CWE-434 CWE-434 Unrestricted Upload of File with Dangerous Type

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS9CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Yealink Plug-in Softwares affected 2.35.219.0 custom Windows

References

ReferenceSourceLinkTags
www.yealink.com/en/trust-center/security-bulletins/yealink-plugin-softwares-r... [email protected] www.yealink.com
support.yealink.com/product-detail/0198a686-f259-7994-bd17-7f9d88c3359a [email protected] support.yealink.com
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