How severe is CVE-2025-66573?

CVE-2025-66573 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-66573 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-66573?

CVE-2025-66573 primarily affects Mersive Solstice Pod 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-2025-66573?

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

Does CVE-2025-66573 have an EU (EUVD) identifier?

Yes. CVE-2025-66573 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201276.

When was CVE-2025-66573 published?

CVE-2025-66573 was published on 2025-12-04 and last updated on 2026-06-17.

CVE-2025-66573

CVE-2025-66573 is a high-severity vulnerability in Mersive Solstice Pod Firmware with a CVSS 3.x base score of 7.5. 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-319.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 6.9
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-201276
Weakness: CWE-319
Affected product: Mersive Solstice Pod Firmware
Published: 2025-12-04
Last modified: 2026-06-17

Description

Solstice Pod API (version 5.5, 6.2) contains an unauthenticated API endpoint (`/api/config`) that exposes sensitive information such as the session key, server version, product details, and display name. Unauthorized users can extract live session information by accessing this endpoint without authentication.

Frequently asked questions

What is CVE-2025-66573?: Solstice Pod API (version 5.5, 6.2) contains an unauthenticated API endpoint (`/api/config`) that exposes sensitive information such as the session key, server version, product details, and display name. Unauthorized users can extract live session information by accessing this endpoint without authentication.
How severe is CVE-2025-66573?: CVE-2025-66573 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-66573 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-66573?: CVE-2025-66573 primarily affects Mersive Solstice Pod 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-2025-66573?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-66573 have an EU (EUVD) identifier?: Yes. CVE-2025-66573 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201276.
When was CVE-2025-66573 published?: CVE-2025-66573 was published on 2025-12-04 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:mersive:solstice_pod_firmware:5.6:*:*:*:*:*:*:*
cpe:2.3:o:mersive:solstice_pod_firmware:6.2:*:*:*:*:*:*:*

More vulnerabilities in Mersive Solstice Pod Firmware

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