What is CVE-2026-1735?

CVE-2026-1735 is a medium-severity vulnerability in Yealink Meetingbar A30, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.3/10. Published 2026-02-02.

How severe is CVE-2026-1735?

Medium severity. CVSS v3 base score is 4.3 out of 10.

RCE in Yealink Meetingbar A30

CVE-2026-1735

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.

EPSS: 0.012 (64.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Yealink Meetingbar A30 — versions 133.321.0.3

Weakness classification (CWE)

References

cna@vuldb.com (vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-1735?: CVE-2026-1735 is a medium-severity vulnerability in Yealink Meetingbar A30, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.3/10. Published 2026-02-02.
How severe is CVE-2026-1735?: Medium severity. CVSS v3 base score is 4.3 out of 10.