The Blackmagic Web Presenter HD firmware version 3.3 exposes sensitive information via an unauthenticated Telnet service on port 9977. When connected, the service reveals extensive device configuration data including: - Model, version, and unique identifiers - Network settings including IP, MAC, DNS - Current stream platform, stream key, and streaming URL - Audio/video configuration This data can be used to hijack live streams or perform network reconnaissance.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 22 Sep 2025 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 22 Sep 2025 17:30:00 +0000

Type Values Removed Values Added
Description The Blackmagic Web Presenter HD firmware version 3.3 exposes sensitive information via an unauthenticated Telnet service on port 9977. When connected, the service reveals extensive device configuration data including: - Model, version, and unique identifiers - Network settings including IP, MAC, DNS - Current stream platform, stream key, and streaming URL - Audio/video configuration This data can be used to hijack live streams or perform network reconnaissance.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-09-22T17:49:40.482Z

Reserved: 2025-08-17T00:00:00.000Z

Link: CVE-2025-57437

cve-icon Vulnrichment

Updated: 2025-09-22T17:49:18.309Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-09-22T18:15:45.153

Modified: 2025-09-22T21:22:33.590

Link: CVE-2025-57437

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.