CVE-2025-34253: D-Link Nuclias Connect firmware versions <= 1.3.1.4 contain a stored cross-site scripting (XSS) vulnerability due to…
CVE-2025-34253 · Severity: medium · CVSS 5.4 · Published 2025-10-16
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-34253 being exploited in the wild.
How severe is CVE-2025-34253?
Medium severity, with a CVSS score of 5.4, published 16 October 2025.
Which products and versions are affected?
Dlink Nuclias Connect. The advisory does not name versions.
Is there a fix for CVE-2025-34253?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-34253?
Check whether you run Dlink Nuclias Connect. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.