CVE-2025-57437

critical · 9.8

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.

9.8

CVSS

0.5%

EPSS (exploit prob.)

44th

EPSS percentile

2025-09-22

Published

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

Weaknesses

CWE-200

Affected products

Vendor	Product	Affected versions
blackmagicdesign	web_presenter_hd_firmware	3.3
blackmagicdesign	web_presenter_hd	all versions

Check a specific version with /api/v1/cve/match.

References

https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57437
https://www.blackmagicdesign.com/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-57437