TI-2025-35540 Aliases CVE-2025-57437 GHSA-37c8-3pmc-qm47

The Blackmagic Web Presenter HD firmware version 3.3 exposes sensitive information via an…

HIGH 82CWE-200Published 2025-09-22 · Updated 2025-09-22

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.

Summary

The Blackmagic Web Presenter HD firmware version 3.3 exposes sensitive information via an unauthenticated Telnet service on port 9977. When connected, the service reveals extensive device configuration data including: - Model, version, and unique identifiers - Network settings including IP, MAC, DNS - Current stream platform, stream key, and streaming URL - Audio/video configuration This data can be used to hijack live streams or perform network reconnaissance.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00533 45th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:blackmagicdesign:web_presenter_hd_firmware:3.3:::::::*	3.3	Vulnerable	Blackmagic Design
cpe:2.3:h:blackmagicdesign:web_presenter_hd:-:::::::*	not specified by NVD	Running on	Blackmagic Design

cpe:2.3:o:blackmagicdesign:web_presenter_hd_firmware:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Blackmagic Design
cpe:2.3:h:blackmagicdesign:web_presenter_hd:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Blackmagic Design

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-57437
2026-10-03 Alias added: GHSA-37c8-3pmc-qm47

References

Exploit 1

https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-57437

Other 1

https://www.blackmagicdesign.com/

TI-2025-35537 Blackmagic Web Presenter version 3.3 exposes a Telnet service on port 9977 that accepts… CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences