CVE-2025-14139: Utt 520w Firmware

Medium severity, CVSS 5.7. EPSS: 1% chance of exploitation in the next 30 days.

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.

Affected products

• Utt 520w Firmware: version 1.7.7-180627 only

Published 2025-12-06. Last modified 2026-06-17.