# CVE-2025-34253: D-Link Nuclias Connect firmware versions <= 1.3.1.4 contain a stored cross-site scripting (XSS) vulnerability due to…

Source: https://junglewise.ai/threats/cve-2025-34253-d-link-nuclias-connect-firmware-versions-1-3-1-4-contain-a-stored  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-10-16  
License: CC BY 4.0 with a link back

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.

Technologies: [Dlink Nuclias Connect](https://junglewise.ai/threats/technologies/nuclias-connect). Vendors: [Dlink](https://junglewise.ai/threats/vendors/dlink).

## Quick answers

**Is CVE-2025-34253 exploited in the wild?** 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.

## Affected products

- Dlink Nuclias Connect

## Related threats

- [D-Link Nuclias Connect firmware versions <= 1.3.1.4 contain an observable response discrepancy vulnerability. The…](https://junglewise.ai/threats/cve-2025-34255-d-link-nuclias-connect-firmware-versions-1-3-1-4-contain-an)
- [D-Link Nuclias Connect firmware versions <= 1.3.1.4 contain an observable response discrepancy vulnerability. The…](https://junglewise.ai/threats/cve-2025-34254-d-link-nuclias-connect-firmware-versions-1-3-1-4-contain-an)