CVE-2025-57437

Published Sep 22, 2025 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-30803 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.
History
Type Values Removed Values Added
First Time appeared Blackmagicdesign
Blackmagicdesign web Presenter Hd
Blackmagicdesign web Presenter Hd Firmware
CPEs cpe:2.3:h:blackmagicdesign:web_presenter_hd:-:*:*:*:*:*:*:*
cpe:2.3:o:blackmagicdesign:web_presenter_hd_firmware:3.3:*:*:*:*:*:*:*
Vendors & Products Blackmagicdesign
Blackmagicdesign web Presenter Hd
Blackmagicdesign web Presenter Hd Firmware
Type Values Removed Values Added
First Time appeared Blackmagic
Blackmagic web Presenter Hd
Vendors & Products Blackmagic
Blackmagic web Presenter Hd
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'}

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
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 22, 2025, 5:49 PM
Reserved
Aug 17, 2025, 12:00 AM
Status
Analyzed
Published
Sep 22, 2025, 6:15 PM
Modified
Nov 5, 2026, 11:10 PM