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