Critical severity9.8NVD Advisory· Published Sep 22, 2025· Updated Jun 17, 2026
CVE-2025-57437
CVE-2025-57437
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:o:blackmagicdesign:web_presenter_hd_firmware:3.3:*:*:*:*:*:*:*
(expand)+ 1 more
- (no CPE)
- (no CPE)range: = 3.3
Patches
Vulnerability mechanics
References
2- github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57437nvdExploitThird Party Advisory
- www.blackmagicdesign.comnvdProduct
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