Belden has 5 CVEs on record between 2025 and 2026. 1 was published in the last 90 days. The busiest recent month was April 2026 with 3. The median CVSS is 8.8 (high), with 2 rated critical. None have a confirmed exploitation report.
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 8.8
- Publish → KEV
- —
- Last 90 days
- 1 prev 0
Products
- GarrettCom Magnum 6K and 10K Managed Switches 1
- HiSecOS 1
- Hirschmann HiOS Switch Platform 1
- Hirschmann HiSecOS Classic Firewall (EAGLE, EAGLE One) 1
- Hirschmann HiSecOS EAGLE 1
Worst active — by depth score
CVE-2018-25237Critical· 9.8Hirschmann HiSecOS devices versions prior to 05.3.03 contain a buffer overflow vulnerability in the HTTPS login interface when RADIUS authentication is enabled that allows remote attackers to crash the device or execute arbitrary code by…54CVE-2017-20234Critical· 9.8GarrettCom Magnum 6K and 10K managed switches contain an authentication bypass vulnerability that allows unauthenticated attackers to gain unauthorized access by exploiting a hardcoded string in the authentication mechanism54CVE-2023-7342High· 8.8Belden HiSecOS Web Server Privilege Escalation48CVE-2023-53908High· 8.8HiSecOS 04.0.01 Privilege Escalation via User Role Modification48CVE-2026-89025High· 7.5Hirschmann HiOS Switch Platform devices contain a denial-of-service vulnerability in the integrated web server due to missing validation of HTTP(S) content41
Belden vulnerabilities
CVEs affecting Belden, newest first. Open any entry for full detail, references, and exploit status.
5 CVEsRSS
CVE-2026-89025High· 7.5Hirschmann HiOS Switch Platform devices contain a denial-of-service vulnerability in the integrated web server due to missing validation of HTTP(S) content
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 t…
CVE-2017-20234Critical· 9.8GarrettCom Magnum 6K and 10K managed switches contain an authentication bypass vulnerability that allows unauthenticated attackers to gain unauthorized access by exploiting a hardcoded string in the authentication mechanism
GarrettCom Magnum 6K and 10K managed switches contain an authentication bypass vulnerability that allows unauthenticated attackers to gain unauthorized access by exploiting a hardcoded string in the authentication mechanism. Attackers ca…
CVE-2018-25237Critical· 9.8Hirschmann HiSecOS devices versions prior to 05.3.03 contain a buffer overflow vulnerability in the HTTPS login interface when RADIUS authentication is enabled that allows remote attackers to crash the device or execute arbitrary code by…
Hirschmann HiSecOS devices versions prior to 05.3.03 contain a buffer overflow vulnerability in the HTTPS login interface when RADIUS authentication is enabled that allows remote attackers to crash the device or execute arbitrary code by…
CVE-2023-7342High· 8.8Belden HiSecOS Web Server Privilege Escalation
HiSecOS web server versions 03.4.00 prior to 04.1.00 contains a privilege escalation vulnerability that allows authenticated users with operator or auditor roles to escalate privileges to the administrator role by sending specially craft…
CVE-2023-53908High· 8.8HiSecOS 04.0.01 Privilege Escalation via User Role Modification
HiSecOS 04.0.01 contains a privilege escalation vulnerability that allows authenticated users to modify their access role through XML-based NETCONF configuration. Attackers can send crafted XML payloads to the /mops_data endpoint with a …