CVE-2026-1735 Yealink MeetingBar A30 Diagnostic command injection
An attacker with physical access can execute arbitrary commands on the Yealink MeetingBar A30 via the Diagnostic Handler.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1735?
CVE-2026-1735 is a low-severity command injection vulnerability in Yealink MeetingBar A30, published on 2 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-1735?
How do I fix CVE-2026-1735?
No fix has been published for CVE-2026-1735 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-1735 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1735 exists.
Sources
Also known as GHSA-78fj-x79r-wh5j.