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CVE-2025-21603

MEDIUMCVSS 4.8/10EPSS 0.28%

Last modified

CVE-2025-21603 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. Cross-site scripting vulnerability exists in MZK-DP300N firmware versions 1.05 and earlier. If an attacker logs in to the affected product and manipulates the device settings, an arbitrary script may be executed on the logged-in user's web browser when accessing a crafted URL.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

Cross-site scripting vulnerability exists in MZK-DP300N firmware versions 1.05 and earlier. If an attacker logs in to the affected product and manipulates the device settings, an arbitrary script may be executed on the logged-in user's web browser when accessing a crafted URL.

Metrics

CVSS 3.1
4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS 3.0
4.8/10

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.28%

20.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-21603?
Cross-site scripting vulnerability exists in MZK-DP300N firmware versions 1.05 and earlier. If an attacker logs in to the affected product and manipulates the device settings, an arbitrary script may be executed on the logged-in user's web browser when accessing a crafted URL.
How severe is CVE-2025-21603?
CVE-2025-21603 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2025-21603?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-21603?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST