CVE-2026-76003: Utt Hiper 1200gw

Critical severity, CVSS 9.9. EPSS: 0.8% chance of exploitation in the next 30 days.

A weakness has been identified in UTT HiPER 1200GW up to 2.5.3-170306. Affected is the function strcpy of the file /goform/formGroupConfig. Executing a manipulation of the argument timestart can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Affected products

• Utt Hiper 1200gw: version 2.5.3-170306 only

Published 2026-08-19. Last modified 2026-08-21.