Sensitive Information Exposure in Blackmagic Web Presenter HD
CVE-2025-57437

9.8CRITICAL

Key Information:

Vendor

Blackmagic Design

Status
Web Presenter HD
Vendor
CVE Published:
22 September 2025

What is CVE-2025-57437?

The Blackmagic Web Presenter HD firmware version 3.3 contains a vulnerability where an unauthenticated Telnet service on port 9977 exposes critical device configuration data. This information includes model details, version identifiers, network configurations like IP and MAC addresses, and even sensitive streaming information such as platform specifics, stream keys, and URLs. The exposure of this data poses significant risks, as it could enable attackers to hijack live streams or conduct network reconnaissance, leading to unauthorized access and exploitation.

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References

https://www.blackmagicdesign.com/
https://github.com/shiky8/my--cve-vulnerability-research/...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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