CVE-2026-1140: Utt 520w Firmware

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability was found in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/ConfigExceptAli. The manipulation results in buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could 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 2026-01-19. Last modified 2026-06-17.