CVE-2026-0837: Utt 520w Firmware

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

A vulnerability was identified in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formFireWall. Such manipulation of the argument GroupName leads to buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. 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.