CVE-2025-57432

9.8 CRITICAL
Published: September 22, 2025 Modified: October 14, 2025

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.blackmagicdesign.com/
Source: cve@mitre.org
Product
https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57432
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Third Party Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.6%
68th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

blackmagicdesign