CVE-2025-57437

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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.53% chance of exploitation in the next 30 days, 43th percentile

Published

2025-09-22

Proof-of-concept exploits (1)

• shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57437

References

• CVE Record
• NVD entry

Related

• CVE-2025-28228
• CVE-2025-28229
• CVE-2025-28230
• CVE-2025-28232
• CVE-2025-45813
• CVE-2025-45814