Vulnerability · Published Sep 22, 2025 · Assigned by mitre
CVE-2025-57437
Critical 9.8
In plain English
A critical-severity information exposure in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H