How severe is CVE-2025-57432?

CVE-2025-57432 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-57432 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-57432?

CVE-2025-57432 primarily affects Blackmagicdesign Web Presenter Hd Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-57432?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-57432 have an EU (EUVD) identifier?

Yes. CVE-2025-57432 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30818.

When was CVE-2025-57432 published?

CVE-2025-57432 was published on 2025-09-22 and last updated on 2026-06-17.

CVE-2025-57432

CVE-2025-57432 is a critical-severity vulnerability in Blackmagicdesign Web Presenter Hd Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30818
Weakness: CWE-306
Affected product: Blackmagicdesign Web Presenter Hd Firmware
Published: 2025-09-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-57432?: CVE-2025-57432 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-57432 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-57432?: CVE-2025-57432 primarily affects Blackmagicdesign Web Presenter Hd Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-57432?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-57432 have an EU (EUVD) identifier?: Yes. CVE-2025-57432 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30818.
When was CVE-2025-57432 published?: CVE-2025-57432 was published on 2025-09-22 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:blackmagicdesign:web_presenter_hd_firmware:3.3:*:*:*:*:*:*:*
cpe:2.3:o:blackmagicdesign:web_presenter_4k_firmware:3.3:*:*:*:*:*:*:*

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