Published:2025/01/08  Last Updated:2025/01/08

JVN#57428125
PLANEX COMMUNICATIONS MZK-DP300N vulnerable to cross-site scripting

Overview

MZK-DP300N provided by PLANEX COMMUNICATIONS INC. contains a cross-site scripting vulnerability.

Products Affected

  • MZK-DP300N firmware versions 1.05 and earlier

Description

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

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 Status

Vendor Status Last Update Vendor Notes
PLANEX COMMUNICATIONS INC. Vulnerable 2025/01/08 PLANEX COMMUNICATIONS INC. website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Base Score: 4.8
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)

Credit

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.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2025-21603
JVN iPedia JVNDB-2025-000001