CVE-2025-34253: nuclias connect XSS — Fix

Description

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.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
dlink	nuclias_connect	< 1.3.1.4

References

Advisories & Patches

https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10472

Other References

https://www.dlink.com/en/for-business/nuclias/nuclias-connect https://www.vulncheck.com/advisories/dlink-nuclias-connect-stored-xss

Frequently Asked Questions

What is CVE-2025-34253? +

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. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-34253? +

CVE-2025-34253 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-34253? +

CVE-2025-34253 affects products from dlink, specifically: nuclias_connect. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-34253? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-34253