CVE-2025-21603

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.

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
EPSS 0.05%
Affected: PLANEX COMMUNICATIONS INC. MZK-DP300N
Published at:
Updated at:

References

Link Tags
https://www.planex.co.jp/support/download/mzk-dp300n/
https://jvn.jp/en/jp/JVN57428125/

Frequently Asked Questions

What is the severity of CVE-2025-21603?
CVE-2025-21603 has been scored as a medium severity vulnerability.
How to fix CVE-2025-21603?
To fix CVE-2025-21603, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-21603 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-21603 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-21603?
CVE-2025-21603 affects PLANEX COMMUNICATIONS INC. MZK-DP300N.
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