Undocumented Telnet Service Exposes Blackmagic ATEM Mini Pro to Remote Control Risks
CVE-2025-57440

7.5HIGH

Key Information:

Vendor

Blackmagic Design

Status
ATEM Mini Pro
Vendor
CVE Published:
22 September 2025

What is CVE-2025-57440?

The Blackmagic ATEM Mini Pro 2.7 features an undocumented Telnet service on TCP port 9993 that allows unauthenticated access to control various device functions. This protocol, named the "ATEM Ethernet Protocol 1.0", enables attackers on the same network, or those with access to the open port, to issue arbitrary commands without authentication. Exploiting this vulnerability could allow an attacker to manipulate streaming settings, erase storage devices, or even reboot the system, leading to a complete compromise of streaming operations.

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References

https://www.blackmagicdesign.com/
https://github.com/shiky8/my--cve-vulnerability-research/...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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