How severe is CVE-2025-63953?

CVE-2025-63953 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-63953 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63953?

CVE-2025-63953 primarily affects Magewell Ultra Encode Hdmi Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-63953?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-63953 have an EU (EUVD) identifier?

Yes. CVE-2025-63953 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198969.

When was CVE-2025-63953 published?

CVE-2025-63953 was published on 2025-11-24 and last updated on 2026-06-17.

CVE-2025-63953

CVE-2025-63953 is a medium-severity vulnerability in Magewell Ultra Encode Hdmi Firmware with a CVSS 3.x base score of 6.5. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198969
Weakness: CWE-352
Affected product: Magewell Ultra Encode Hdmi Firmware
Published: 2025-11-24
Last modified: 2026-06-17

Description

A Cross-Site Request Forgery (CSRF) in the /usapi?method=add-user component of Magewell Pro Convert v1.2.213 allows attackers to arbitrarily create accounts via a crafted GET request.

Frequently asked questions

What is CVE-2025-63953?: A Cross-Site Request Forgery (CSRF) in the /usapi?method=add-user component of Magewell Pro Convert v1.2.213 allows attackers to arbitrarily create accounts via a crafted GET request.
How severe is CVE-2025-63953?: CVE-2025-63953 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-63953 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63953?: CVE-2025-63953 primarily affects Magewell Ultra Encode Hdmi Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-63953?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-63953 have an EU (EUVD) identifier?: Yes. CVE-2025-63953 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198969.
When was CVE-2025-63953 published?: CVE-2025-63953 was published on 2025-11-24 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:magewell:ultra_encode_hdmi_firmware:2.3.206:*:*:*:*:*:*:*
cpe:2.3:o:magewell:ultra_encode_sdi_firmware:2.3.206:*:*:*:*:*:*:*
cpe:2.3:o:magewell:ultra_encode_hdmi_plus_firmware:2.3.206:*:*:*:*:*:*:*
cpe:2.3:o:magewell:ultra_encode_sdi_plus_firmware:2.3.206:*:*:*:*:*:*:*
cpe:2.3:o:magewell:ultra_encode_aio_firmware:2.3.206:*:*:*:*:*:*:*

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