CVE-2025-57432
CRITICALBlackmagicdesign Web Presenter HD Firmware - Missing Authentication
Title source: ruleDescription
Blackmagic Web Presenter version 3.3 exposes a Telnet service on port 9977 that accepts unauthenticated commands. This service allows remote attackers to manipulate stream settings, including changing video modes and possibly altering device functionality. No credentials or authentication mechanisms are required to interact with the Telnet interface.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57432
Scores
CVSS v3
9.8
EPSS
0.0033
EPSS Percentile
56.2%
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-306
Status
published
Products (2)
blackmagicdesign/web_presenter_4k_firmware
3.3
blackmagicdesign/web_presenter_hd_firmware
3.3
Published
Sep 22, 2025
Tracked Since
Feb 18, 2026