Cross-site scripting in PLANEX COMMUNICATIONS MZK-DP300N



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-21603
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
MZK-DP300N
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor PLANEX COMMUNICATIONS

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU102438

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2025-21603

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MZK-DP300N: 1.05

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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