CVE-2026-89025

Hirschmann HiOS Switch Platform DoS via Malformed HTTP Request

Published: Sep 15, 2026Updated: Sep 15, 2026 Sources: CVE List NVDCWE-755

7.5HIGH

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-755

Affected Products

Belden

commercial·USaka tofino security appliance, belden hirschmann

Hirschmann HiOS Switch Platform

Networking Infrastructure

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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References

https://assets.belden.com/asset/2ba884e3-c0c9-40f6-aa22-a9e852b20af4/PSIRT-6_HTTPS_Vulnerability_HiOS.pdf

assets.belden.com

https://www.vulncheck.com/advisories/hirschmann-hios-switch-platform-dos-via-malformed-http-request

vulncheck.com

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