CVE-2026-89025
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductHirschmann HiOS Switch Platform
PublishedSep 15, 2026
First seenSep 15, 2026
Weakness typeCWE-755CWE-755
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Belden Hirschmann HiOS Switch Platform | 07.0.0 ≤ v ≤ 07.1.11, 08.0.0 ≤ v ≤ 08.7.09, 09.0.00 ≤ v ≤ 09.0.12, 09.3.00 ≤ v ≤ 09.3.02, 10.0.0 ≤ v ≤ 10.3.07, 10.4.00, 10.5.00 | — |
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