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    CVE-2026-89025

    Hirschmann HiOS Switch Platform devices contain a denial-of-service vulnerability in the integrated web server due to missing validation of HTTP(S) content. A remote unauthenticated attacker can send a specially crafted HTTP(S) request to a specific endpoint that is processed incorrectly, causing the device to perform an unintended reboot and resulting in a temporary denial-of-service condition. This vulnerability has been addressed in versions 07.1.12, 08.7.10, 09.0.13, 09.3.03, 10.3.08, and 10.5.00.

    Published:Sep 15, 2026
    Last Modified:Oct 1, 2026
    EPS:Sep 15, 2026
    EPSS Score:0.0077
    CVSS Score:7.5

    Affected Products

    Vendor
    Belden
    Product
    Hirschmann Hios
    Vendor
    Belden
    Product
    Hirschmann Hios Switch Platform

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2020-37216 (CVSS 8.7) — Hirschmann HiOS devices versions prior to 08.1.00 and 07.1.01 contain a denial of service vulnerability in th…
    CVE-2025-15620 (CVSS 9.2) — HiOS Switch Platform versions 09.1.00 through 09.4.04 and 10.0.00 through 10.3.00 contain a denial-of-service …
    CVE-2021-27734 (CVSS 9.8) — Hirschmann HiOS 07.1.01, 07.1.02, and 08.1.00 through 08.5.xx and HiSecOS 03.3.00 through 03.5.01 allow remote…
    CVE-2020-9307 (CVSS 6.5) — Hirschmann OS2, RSP, and RSPE devices before HiOS 08.3.00 allow a denial of service. An unauthenticated, adjac…
    CVE-2020-6994 (CVSS 9.8) — A buffer overflow vulnerability was found in some devices of Hirschmann Automation and Control HiOS and HiSecO…
    CVE-2019-12262 (CVSS 9.8) — Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET s…
    CVE-2019-12261 (CVSS 9.8) — Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 3 of 4). This is a…
    CVE-2019-12260 (CVSS 9.8) — Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET sec…
    CVE-2019-12258 (CVSS 7.5) — Wind River VxWorks 6.6 through vx7 has Session Fixation in the TCP component. This is a IPNET security vulnera…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High