CVE-2026-1791: Hillstone Networks Operation And Maintenance Security Gateway

Low severity, CVSS 2.7. EPSS: 0.4% chance of exploitation in the next 30 days.

Unrestricted Upload of File with Dangerous Type vulnerability in Hillstone Networks Operation and Maintenance Security Gateway on Linux allows Upload a Web Shell to a Web Server.This issue affects Operation and Maintenance Security Gateway: V5.5ST00001B113.

Affected products

• Hillstone Networks Operation And Maintenance Security Gateway: version V5.5ST00001B113 only

Published 2026-02-04. Last modified 2026-06-17.