PT-2025-38741 · Blackmagic Design · Blackmagic Web Presenter

Published 2025-09-22 · Updated 2025-09-22 · CVE-2025-57432

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Blackmagic Web Presenter version 3.3

Description The software exposes a Telnet service on port 9977 that accepts unauthenticated commands. This allows remote attackers to manipulate stream settings, potentially changing video modes and altering device functionality. No authentication is required to interact with the Telnet interface.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2025-57432

Affected Products

Blackmagic Web Presenter

References · 5

• 🔥 https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57432 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-57432 · Security Note
• https://osv.dev/vulnerability/CVE-2025-57432 · Vendor Advisory
• https://blackmagicdesign.com · Note
• https://twitter.com/CVEnew/status/1970167574236168694 · Twitter Post