Arbitrary File Upload Vulnerability in Operation and Maintenance Security Gateway
Priority LOW 14CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00348 28th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hillstone Networks | Operation and Maintenance Security Gateway | V5.5ST00001B113 | — | No fix listed | CNA |
- Operation and Maintenance Security Gateway VendorHillstone Networks Affected V5.5ST00001B113 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1791
- 2026-10-03 Alias added: GHSA-w3f6-336f-pxmh
More Hillstone Networks vulnerabilities
- TI-2025-01964 Absolute Path Disclosure Vulnerability in Hillstone Next Generation FireWall CVSS 3.1MEDIUM 5.3
Sources
- CVE-2026-1791 · CVE Program
- CVE-2026-1791 · NVD
- FIRST EPSS
- GHSA-w3f6-336f-pxmh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences