Command Injection Vulnerability in Yealink MeetingBar A30 by Yealink
CVE-2026-1735

2.4LOW

Key Information:

Vendor

Yealink

Status
Meetingbar A30
Vendor
CVE Published:
2 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1735?

A command injection vulnerability has been discovered in the Yealink MeetingBar A30 version 133.321.0.3, specifically affecting the Diagnostic Handler component. This issue allows an attacker to manipulate the device's processing, potentially leading to unauthorized command execution on the physical device. Publicly available exploits are concerning, given that the vendor has not addressed this vulnerability despite being informed. Users of the affected product should take immediate action to mitigate the risks associated with this vulnerability.

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Affected Version(s)

MeetingBar A30 133.321.0.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-1735 - Proof of Concept

References

https://vuldb.com/?id.343634
vdb-entry
https://vuldb.com/?ctiid.343634
signaturepermissions-required
https://vuldb.com/?submit.736622
third-party-advisory

CVSS V4

Score:
2.4
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Physical
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

cccll (VulDB User)
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