CVE-2018-11541: Ribboncommunications Sbc Swe Lite Web

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

A root privilege escalation vulnerability in the Sonus SBC 1000 / SBC 2000 / SBC SWe Lite web interface allows unauthorised access to privileged content via an unspecified vector. It affects the 1000 and 2000 devices 6.0.x up to Build 446, 6.1.x up to Build 492, and 7.0.x up to Build 485. It affects the SWe Lite devices 6.1.x up to Build 111 and 7.0.x up to Build 140.

Affected products

• Ribboncommunications Sbc Swe Lite Web: version 6.1.0 only; version 7.0.0 only
• Ribboncommunications Sonus Sbc 1000 Firmware: version 6.0.0 only; version 6.1.0 only; version 7.0.0 only
• Ribboncommunications Sonus Sbc 2000 Firmware: version 6.0.0 only; version 6.1.0 only; version 7.0.0 only

Published 2018-07-09. Last modified 2026-06-17.