VULNERABILITY INTELLIGENCE

CVE-2025-57437

CVSS score9.8 CRITICAL
EPSS probability0.53%
CISA KEVNot currently listed
Published2025-09-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-200

Primary references