CVE-2025-57437
CRITICALBlackmagic Web Presenter HD Firmware 3.3 - Unauthenticated Sensitive Information Exposure via Telnet Service
Title source: llmDescription
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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57437
Scores
CVSS v3
9.8
EPSS
0.0049
EPSS Percentile
38.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-200
Status
published
Products (1)
blackmagicdesign/web_presenter_hd_firmware
3.3
Published
Sep 22, 2025
Tracked Since
Feb 18, 2026