belden Hirschmann Hios Vulnerabilities

Belden Hirschmann Hios vulnerabilities.

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3 April 2026

Authentication Bypass Vulnerability in Hirschmann HiOS and HiSecOS Products
CVE-2018-25236
BeldenHirschmann HiOS9.3CRITICAL
Denial of Service Vulnerability in Hirschmann HiOS Devices
CVE-2020-37216
BeldenHirschmann HiOS8.7HIGH

2 April 2026

Denial-of-Service Flaw in HiOS Switch Platform by Belden
CVE-2025-15620
BeldenHirschmann HiOS Switch...9.2CRITICAL

17 May 2021

Credential Manipulation Vulnerability in Hirschmann HiOS and HiSecOS Products
CVE-2021-27734
BeldenHirschmann Hios9.8CRITICAL

11 February 2021

Denial of Service Vulnerability in Hirschmann OS2 and RSP Devices
CVE-2020-9307
BeldenHirschmann Hios6.5MEDIUM