CVE-2025-57432

9.8 criticalEPSS 0.6%

Critical (9.8) in blackmagicdesign. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-306
Published: 2025-09-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

blackmagicdesign:web_presenter_4k_firmware
blackmagicdesign:web_presenter_hd_firmware

References

https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57432
https://www.blackmagicdesign.com/
https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57432

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