How severe is CVE-2025-52378?

CVE-2025-52378 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-52378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-52378?

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

Does CVE-2025-52378 have an EU (EUVD) identifier?

Yes. CVE-2025-52378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21440.

When was CVE-2025-52378 published?

CVE-2025-52378 was published on 2025-07-15 and last updated on 2026-06-17.

CVE-2025-52378

CVE-2025-52378 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21440
Weakness: CWE-79
Published: 2025-07-15
Last modified: 2026-06-17

Description

Cross-Site Scripting (XSS) vulnerability in Nexxt Solutions NCM-X1800 Mesh Router firmware UV1.2.7 and below allowing attackers to inject JavaScript code that is executed in the context of administrator sessions when viewing the device management page via the DEVICE_ALIAS parameter to the /web/um_device_set_aliasname endpoint.

Frequently asked questions

What is CVE-2025-52378?: Cross-Site Scripting (XSS) vulnerability in Nexxt Solutions NCM-X1800 Mesh Router firmware UV1.2.7 and below allowing attackers to inject JavaScript code that is executed in the context of administrator sessions when viewing the device management page via the DEVICE_ALIAS parameter to the /web/um_device_set_aliasname endpoint.
How severe is CVE-2025-52378?: CVE-2025-52378 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-52378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-52378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-52378 have an EU (EUVD) identifier?: Yes. CVE-2025-52378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21440.
When was CVE-2025-52378 published?: CVE-2025-52378 was published on 2025-07-15 and last updated on 2026-06-17.

References

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