CVE-2025-15620

High

Description

HiOS Switch Platform versions 09.1.00 through 09.4.04 and 10.0.00 through 10.3.00 contain a denial-of-service vulnerability in the web interface that allows remote attackers to reboot the affected device by sending a malicious HTTP GET request to a specific endpoint. Attackers can trigger an uncontrolled reboot condition through crafted HTTP requests to cause service disruption and unavailability of the switch.

SeverityHigh

CVSS8.6

Exploit probability—

ProductBelden Hios Switch

PublishedApr 2, 2026

First seenApr 2, 2026

Weakness typeCWE-306Missing authentication for critical function

How to fix

Update

belden hios_switch09.4.05, 10.3.01 or later

Vendor advisories

assets.belden.com/m/702a656e81736b04/original/PSIRT-2_Web_Interface_HiOS.pdf

Affected products

Product	Affected versions	Fixed in
belden hios_switch	09.1.00 ≤ v < 09.4.05, 10.0.00 ≤ v < 10.3.01	09.4.05, 10.3.01

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