What’s Vulnerable › Vulnerabilities

CVE-2025-21603

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-08 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• PLANEX COMMUNICATIONS INC. MZK-DP300N: through firmware versions 1.05

References

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

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