CVE-2026-0838: Utt 520w Firmware

High severity, CVSS 8.8. EPSS: 3.9% chance of exploitation in the next 30 days.

A security flaw has been discovered in UTT 进取 520W 1.7.7-180627. This impacts the function strcpy of the file /goform/ConfigWirelessBase. Performing a manipulation of the argument ssid results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Utt 520w Firmware: up to and including 1.7.7-180627

Published 2026-01-11. Last modified 2026-06-17.