[Japanese]

JVNDB-2025-000001

PLANEX COMMUNICATIONS MZK-DP300N vulnerable to cross-site scripting

Overview

MZK-DP300N, wireless LAN router provided by PLANEX COMMUNICATIONS INC., contains a cross-site scripting vulnerability (CWE-79).

Kentaro Ishii of GMO Cybersecurity by Ierae, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.8 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
Affected Products


PLANEX COMMUNICATIONS INC.
  • MZK-DP300N firmware versions 1.05 and earlier

Impact

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.
Solution

[Update the firmware]
Update the firmware to the latest version according to the information provided by the developer.
Vendor Information

PLANEX COMMUNICATIONS INC.
CWE (What is CWE?)

  1. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2025-21603
References

  1. JVN : JVN#57428125
Revision History

  • [2025/01/08]
      Web page was published

Date Public2025/01/08
Date First Published2025/01/08
Date Last Updated2025/01/08