XSS in D-Link Nuclias Connect

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (40.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-34253?
CVE-2025-34253 is a medium-severity vulnerability in D-Link Nuclias Connect, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-10-16.
How severe is CVE-2025-34253?
Medium severity. CVSS v3 base score is 5.4 out of 10.