CVE-2025-57432

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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.64% chance of exploitation in the next 30 days, 48th percentile

Published

2025-09-22

Updated

2025-09-23

Proof-of-concept exploits (1)

• shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57432

References

• CVE Record
• NVD entry

Related

• CVE-2025-28228
• CVE-2025-28229
• CVE-2025-28230
• CVE-2025-28232
• CVE-2025-45813
• CVE-2025-45814