CVE-2026-1735: Yealink Meetingbar a30

Medium severity, CVSS 4.3. EPSS: 1.4% chance of exploitation in the next 30 days.

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.

Affected products

• Yealink Meetingbar a30: version 133.321.0.3 only

Published 2026-02-02. Last modified 2026-06-17.