D-Link Nuclias Connect up to 1.3.1.4 Network cross site scripting

Summaryinfo

A vulnerability labeled as problematic has been found in D-Link Nuclias Connect up to 1.3.1.4. The affected element is an unknown function. The manipulation of the argument Network results in cross site scripting. This vulnerability is cataloged as CVE-2025-34253. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in D-Link Nuclias Connect up to 1.3.1.4. It has been classified as problematic. Affected is an unknown part. The manipulation of the argument Network with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

D-Link Nuclias Connect firmware versions <= 1.3.1.4 contain a stored cross-site scripting (XSS) vulnerability due to improper sanitization of the 'Network' field when editing the configuration, creating a profile, and adding a network. An authenticated attacker can inject arbitrary JavaScript to be executed in the context of other users viewing the profile entry. NOTE: D-Link states that a fix is under development.

The weakness was shared by Alex Williams. The advisory is shared for download at vulncheck.com. This vulnerability is traded as CVE-2025-34253 since 04/15/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/29/2025). The MITRE ATT&CK project declares the attack technique as T1059.007.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-34830). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• D-Link

Name

• Nuclias Connect

Version

• 1.3.1.0
• 1.3.1.1
• 1.3.1.2
• 1.3.1.3
• 1.3.1.4

License

• commercial

Website

• Vendor: https://www.dlink.com/

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Once again VulDB remains the best source for vulnerability data.

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