CVE-2025-15620

HIGH 8.6CVE-2025-15620 · Published 02/04/2026 · updated 29/10/2026

In short

CVE-2025-15620 is a HIGH (CVSS 8.6) vulnerability affecting hios switch (belden).
Chance of exploitation in the next 30 days (EPSS): 0.52%, higher than 44.4% of all vulnerabilities.
Fix: update to 09.4.05, 10.3.01 or later.

Package	Affected versions	Patched versions
hios switch belden	`≥ 09.1.00, < 09.4.05≥ 10.0.00, < 10.3.01`	`09.4.0510.3.01`

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.

References

assets.belden.com/m/702a656e81736b04/original/PSIRT-2_Web_Interface_HiOS.pdf · Vendor Advisory
vulncheck.com/advisories/hios-switch-platform-denial-of-service-via-web-interface · Third Party Advisory

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