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Low · 2.7 CVE-2026-1791 EUVD-2026-5355GHSA-w3f6-336f-pxmh

Arbitrary File Upload Vulnerability in Operation and Maintenance Security Gateway

Published Feb 4, 2026 · Updated Feb 4, 2026 · Assigned by Hillstone

Description

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

VendorProductAffectedFixed
Hillstone Networks Operation and Maintenance Security Gateway V5.5ST00001B113 —

References