HIGH

CVE-2026-89025

Hirschmann HiOS Switch Platform DoS via Malformed HTTP Request

CVSS v3

7.5

HIGH

EPSS Score

0.8 %

exploit probability, as of 2026-09-28

CISA KEV

known exploited

Exploitation

none

SSVC status

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

Technical details

Published: 2026-09-15
Last Modified: 2026-09-15

Frequently asked questions

What is CVE-2026-89025?

Is CVE-2026-89025 actively exploited?

Active exploitation of CVE-2026-89025 has not been confirmed. Its EPSS score was 0.8% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-89025?

CVE-2026-89025 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2026-89025 affecting your environment?

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