CVE-1999-0193: Ascend Cascadeview Ux

Medium severity, CVSS 5.0. EPSS: 4.9% chance of exploitation in the next 30 days.

Denial of service in Ascend and 3com routers, which can be rebooted by sending a zero length TCP option.

Affected products

• Ascend Cascadeview Ux: version 1.0 only

Published 1997-12-01. Last modified 2026-06-16.