CVE-2025-57432

Published Sep 22, 2025 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-30818 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.
History
Type Values Removed Values Added
First Time appeared Blackmagicdesign
Blackmagicdesign web Presenter 4k
Blackmagicdesign web Presenter 4k Firmware
Blackmagicdesign web Presenter Hd
Blackmagicdesign web Presenter Hd Firmware
CPEs cpe:2.3:h:blackmagicdesign:web_presenter_4k:-:*:*:*:*:*:*:*
cpe:2.3:h:blackmagicdesign:web_presenter_hd:-:*:*:*:*:*:*:*
cpe:2.3:o:blackmagicdesign:web_presenter_4k_firmware:3.3:*:*:*:*:*:*:*
cpe:2.3:o:blackmagicdesign:web_presenter_hd_firmware:3.3:*:*:*:*:*:*:*
Vendors & Products Blackmagicdesign
Blackmagicdesign web Presenter 4k
Blackmagicdesign web Presenter 4k Firmware
Blackmagicdesign web Presenter Hd
Blackmagicdesign web Presenter Hd Firmware
Type Values Removed Values Added
Weaknesses CWE-306
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Blackmagic
Blackmagic web Presenter
Vendors & Products Blackmagic
Blackmagic web Presenter
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 23, 2025, 6:13 PM
Reserved
Aug 17, 2025, 12:00 AM
Status
Analyzed
Published
Sep 22, 2025, 4:15 PM
Modified
Nov 5, 2026, 11:10 PM