CVE-2026-31062: Utt 520w Firmware

Medium severity, CVSS 4.5. EPSS: 0.3% chance of exploitation in the next 30 days.

UTT Aggressive 520W v3v1.7.7-180627 was discovered to contain a buffer overflow in the filename parameter of the formFtpServerDirConfig function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Affected products

• Utt 520w Firmware: version 1.7.7-180627 only

Published 2026-04-06. Last modified 2026-06-17.