Vulnerability · Published Feb 2, 2026 · Assigned by VulDB

CVE-2026-1735Yealink MeetingBar A30 Diagnostic command injection

Medium 4.3

In plain English

A medium-severity command injection in MeetingBar A30 from Yealink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)1.3%top 28.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
Yealink MeetingBar A30 133.321.0.3

Weakness: CWE-77, CWE-74 · 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

References