How severe is CVE-2025-63223?

CVE-2025-63223 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-2025-63223 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63223?

CVE-2025-63223 affects Axeltechnology Streamermax Mk Ii Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-63223?

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-2025-63223 have an EU (EUVD) identifier?

Yes. CVE-2025-63223 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198214.

When was CVE-2025-63223 published?

CVE-2025-63223 was published on 2025-11-19 and last updated on 2026-06-17.

CVE-2025-63223

CVE-2025-63223 is a critical-severity vulnerability in Axeltechnology Streamermax Mk Ii 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198214
Weakness: CWE-284
Affected product: Axeltechnology Streamermax Mk Ii Firmware
Published: 2025-11-19
Last modified: 2026-06-17

Description

The Axel Technology StreamerMAX MK II devices (firmware versions 0.8.5 to 1.0.3) are vulnerable to Broken Access Control due to missing authentication on the /cgi-bin/gstFcgi.fcgi endpoint. Unauthenticated remote attackers can list user accounts, create new administrative users, delete users, and modify system settings, leading to full compromise of the device.

Frequently asked questions

What is CVE-2025-63223?: The Axel Technology StreamerMAX MK II devices (firmware versions 0.8.5 to 1.0.3) are vulnerable to Broken Access Control due to missing authentication on the /cgi-bin/gstFcgi.fcgi endpoint. Unauthenticated remote attackers can list user accounts, create new administrative users, delete users, and modify system settings, leading to full compromise of the device.
How severe is CVE-2025-63223?: CVE-2025-63223 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-2025-63223 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63223?: CVE-2025-63223 affects Axeltechnology Streamermax Mk Ii Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63223?: 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-2025-63223 have an EU (EUVD) identifier?: Yes. CVE-2025-63223 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198214.
When was CVE-2025-63223 published?: CVE-2025-63223 was published on 2025-11-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:axeltechnology:streamermax_mk_ii_firmware:*:*:*:*:*:*:*:*

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