Vulnerability · Published Apr 2, 2026 · Assigned by VulnCheck

CVE-2025-15620HiOS Switch Platform Denial-of-Service via Web Interface

High 8.6

In plain English

A high-severity missing authentication in Hirschmann HiOS Switch Platform from Belden. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)8.6High

Exploit odds (30 days)0.5%top 55.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Belden	Hirschmann HiOS Switch Platform	09.1.00 – before 09.4.0510.0.00 – before 10.3.01

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References

Belden Security Advisories vendor-advisory
https://www.vulncheck.com/advisories/hios-switch-platform-denial-of-service-via-web-interface third-party-advisory