CVE•Published 2026-04-02•Modified 2026-07-24•1 article on news•5 live references•NVD data

CVE-2025-15620Belden · Hios_switch

Vulnerability data via NVD (ingested)

CVSS v3.1

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

EPSS percentile

Exploit Prediction Scoring System · top 60% of all CVEs

Weaknesses (CWE)

CWE-306Missing Authentication for Critical Function

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.

Timeline

Published 2026-04-02

Modified 2026-07-24

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2025-15620

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Belden Hios Switch"

All exposed Belden Hios Switch instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Hios Switch"

HTTP body or banner mentions "Hios Switch" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2025-15620