A weakness has been identified in Yealink MeetingBar A30 133.321.0.3. This issue affects some unknown processing of the component Diagnostic Handler. This manipulation causes command injection. It is feasible to perform the attack on the physical device. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Yealink
  • Meetingbar A30

No data.

No data.

References
Link Providers
https://drive.google.com/file/d/1Uf46ihr8UmeXsFfkcvAeOtF1TkvGjozy/view?usp=sharing cve-icon cve-icon
https://vuldb.com/?ctiid.343634 cve-icon cve-icon
https://vuldb.com/?id.343634 cve-icon cve-icon
https://vuldb.com/?submit.736622 cve-icon cve-icon
History

Tue, 03 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Yealink
Yealink meetingbar A30
Vendors & Products Yealink
Yealink meetingbar A30

Mon, 02 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 02 Feb 2026 01:00:00 +0000

Type Values Removed Values Added
Description A weakness has been identified in Yealink MeetingBar A30 133.321.0.3. This issue affects some unknown processing of the component Diagnostic Handler. This manipulation causes command injection. It is feasible to perform the attack on the physical device. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Title Yealink MeetingBar A30 Diagnostic command injection
Weaknesses CWE-74
CWE-77
References
Metrics cvssV2_0

{'score': 4.6, 'vector': 'AV:L/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 2.4, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-02-02T00:02:07.695Z

Updated: 2026-02-02T17:03:13.892Z

Reserved: 2026-02-01T07:38:04.135Z

Link: CVE-2026-1735

cve-icon Vulnrichment

Updated: 2026-02-02T17:03:08.216Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-02T01:15:51.697

Modified: 2026-02-03T16:44:36.630

Link: CVE-2026-1735

cve-icon Redhat

No data.