CVE-2026-1735
Yealink MeetingBar A30 Diagnostic command injection
- State
- Published
- Severity
- 2.4 Low
- Published
- Feb 2, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 1, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.4 Low | 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 | VulDB |
| 3.1 | 4.3 Medium | 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 | VulDB |
| 3.0 | 4.3 Medium | 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 | VulDB |
| 2.0 | 4.6 Medium | AV:L/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
MeetingBar A30Yealink |
|
References
- VDB-343634 | Yealink MeetingBar A30 Diagnostic command injectionvdb-entry
- VDB-343634 | CTI Indicators (IOB, IOC, TTP)signaturepermissions-required
- Submit #736622 | Yealink MeetingBar A30 133.321.0.3 Command Injectionthird-party-advisory
- https://drive.google.com/file/d/1Uf46ihr8UmeXsFfkcvAeOtF1TkvGjozy/view?usp=sharingexploit
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