CVE-2026-89202: Siemens Ruggedcom Crossbow

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V6.0). Affected devices do not properly perform authorization checks for device disconnection requests. This could allow an authenticated attacker with minimal privileges to disconnect active sessions of other users, including administrators, leading to a denial of service.

Affected products

• Siemens Ruggedcom Crossbow: before V6.0 (fixed in V6.0)

Published 2026-10-13. Last modified 2026-10-16.