# CVE-2025-14139: A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. Impacted is the function strcpy of the file…

Source: https://junglewise.ai/threats/cve-2025-14139-a-security-vulnerability-has-been-detected-in-utt-520w-1-7-7  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-06  
License: CC BY 4.0 with a link back

CVE-2025-14139 · Severity: medium · CVSS 5.7 · Published 2025-12-06

A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. Impacted is the function strcpy of the file /goform/formConfigDnsFilterGlobal. Such manipulation of the argument timeRangeName leads to buffer overflow. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Technologies: [UTT 520w](https://junglewise.ai/threats/technologies/520w), [UTT 520w Firmware](https://junglewise.ai/threats/technologies/520w-firmware). Vendors: [UTT](https://junglewise.ai/threats/vendors/utt).

## Quick answers

**Is CVE-2025-14139 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-14139 being exploited in the wild.

**How severe is CVE-2025-14139?** Medium severity, with a CVSS score of 5.7, published 6 December 2025.

**Which products and versions are affected?** UTT 520w, UTT 520w Firmware. The advisory does not name versions.

**Is there a fix for CVE-2025-14139?** 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-2025-14139?** Check whether you run UTT 520w or UTT 520w Firmware. 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

- UTT 520w
- UTT 520w Firmware

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