Arbitrary file upload in Hillstone Networks Operation And Maintenance Security Gateway
CVE-2026-1791
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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.003 (23.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Hillstone Networks Operation And Maintenance Security Gateway — versions V5.5ST00001B113
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-1791?
- CVE-2026-1791 is a low-severity vulnerability in Hillstone Networks Operation And Maintenance Security Gateway, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 2.7/10. Published 2026-02-04.
- How severe is CVE-2026-1791?
- Low severity. CVSS v3 base score is 2.7 out of 10.