CVE-2026-122148
Received Received - Intake

Front-end Validation Bypass in Yealink MeetingBoard Pro

Publication date: 2026-11-04

Last updated on: 2026-11-04

Assigner: MITRE

Description
In Yealink MeetingBoard Pro before 331.320.0.64, the Web management module has a front-end validation bypass vulnerability. An attacker with administrator privileges can modify the page DOM to bypass front-end UI control logic and invoke screenshot-related interfaces, triggering the screenshot function by circumventing front-end interface restrictions. Exploitation can occur only when the attacker has a valid administrator account within the local network.

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Meta Information

Published
2026-11-04
Last Modified
2026-11-04
Generated
2026-11-04
AI Q&A
2026-11-04
EPSS Evaluated
N/A
NVD
CVE-2026-122148
EUVD
EUVD-2026-117018

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Yealink MeetingBoard Pro 331.320.0.30

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-602 The product is composed of a server that relies on the client to implement a mechanism that is intended to protect the server.

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Executive Summary

This is a front-end validation bypass vulnerability in Yealink MeetingBoard Pro devices before firmware version 331.320.0.64. An attacker with administrator privileges can modify the page DOM to bypass UI controls and invoke screenshot-related interfaces, triggering the screenshot function without proper authorization.

Detection Guidance

Detecting this vulnerability requires checking the firmware version of Yealink MeetingBoard Pro devices. Compare the installed version against 331.320.0.64. If the version is 331.320.0.55 or earlier, the device is vulnerable.

Impact Analysis

An authenticated administrator within the local network could exploit this to take unauthorized screenshots of sensitive data displayed on the MeetingBoard Pro, potentially leading to information leakage or misuse of captured content.

Compliance Impact

This vulnerability could lead to unauthorized capture of sensitive data, potentially violating GDPR (data protection) or HIPAA (health information privacy) by exposing confidential information if screenshots contain regulated data.

Mitigation Strategies

Immediately upgrade the firmware to version 331.320.0.64 or later. If upgrading is not possible, strengthen administrator password complexity to reduce the risk of exploitation.

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