# Hirschmann vulnerabilities

Source: https://junglewise.ai/threats/vendors/hirschmann  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/hirschmann.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 9 vulnerabilities in Hirschmann: 0 in the last 7 days and 1 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-89025, was published on 15 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 9 (2 critical, 0 exploited in the wild)

## About Hirschmann

Hirschmann is a brand specializing in industrial networking and connectivity solutions, including switches and wireless systems.

## Latest Hirschmann vulnerabilities

- [CVE-2026-89025: Hirschmann HiOS Switch Platform denial-of-service in web server](https://junglewise.ai/threats/cve-2026-89025-hirschmann-hios-switch-platform-denial-of-service-in-web-server) (high, CVSS 7.5, published 15 Sep 2026)
- [CVE-2021-4477: Hirschmann HiLCOS firewall bypass in IPv6 IPsec deployments](https://junglewise.ai/threats/cve-2021-4477-hirschmann-hilcos-firewall-bypass-in-ipv6-ipsec-deployments) (critical, CVSS 9.1, published 3 Apr 2026)
- [CVE-2022-4987: Hirschmann Industrial HiVision untrusted search path in external applications](https://junglewise.ai/threats/cve-2022-4987-hirschmann-industrial-hivision-untrusted-search-path-in-external) (high, CVSS 7.3, published 3 Apr 2026)
- [CVE-2020-37216: Hirschmann HiOS denial of service in EtherNet/IP stack](https://junglewise.ai/threats/cve-2020-37216-hirschmann-hios-denial-of-service-in-ethernet-ip-stack) (high, CVSS 7.5, published 3 Apr 2026)
- [CVE-2022-4986: Hirschmann EagleSDV denial of service in TLS session establishment](https://junglewise.ai/threats/cve-2022-4986-hirschmann-eaglesdv-denial-of-service-in-tls-session-establishment) (high, CVSS 7.5, published 2 Apr 2026)
- [CVE-2025-15620: Hirschmann HiOS Switch Platform denial of service in web interface](https://junglewise.ai/threats/cve-2025-15620-hirschmann-hios-switch-platform-denial-of-service-in-web) (high, CVSS 8.6, published 2 Apr 2026)
- [CVE-2024-14033: Hirschmann EagleSDV and HiLCOS denial of service in TLS and Web Interface](https://junglewise.ai/threats/cve-2024-14033-hirschmann-eaglesdv-and-hilcos-denial-of-service-in-tls-and-web) (high, CVSS 7.5, published 2 Apr 2026)
- [CVE-2024-14034: Hirschmann HiEOS auth bypass in HTTP management module](https://junglewise.ai/threats/cve-2024-14034-hirschmann-hieos-auth-bypass-in-http-management-module) (critical, CVSS 9.8, published 2 Apr 2026)
- [CVE-2023-7343: Hirschmann Industrial HiVision arbitrary code execution in project files](https://junglewise.ai/threats/cve-2023-7343-hirschmann-industrial-hivision-arbitrary-code-execution-in-project) (high, CVSS 7.8, published 2 Apr 2026)

## Most severe Hirschmann vulnerabilities

- [CVE-2024-14034: Hirschmann HiEOS auth bypass in HTTP management module](https://junglewise.ai/threats/cve-2024-14034-hirschmann-hieos-auth-bypass-in-http-management-module) (critical, CVSS 9.8, published 2 Apr 2026)
- [CVE-2021-4477: Hirschmann HiLCOS firewall bypass in IPv6 IPsec deployments](https://junglewise.ai/threats/cve-2021-4477-hirschmann-hilcos-firewall-bypass-in-ipv6-ipsec-deployments) (critical, CVSS 9.1, published 3 Apr 2026)
- [CVE-2025-15620: Hirschmann HiOS Switch Platform denial of service in web interface](https://junglewise.ai/threats/cve-2025-15620-hirschmann-hios-switch-platform-denial-of-service-in-web) (high, CVSS 8.6, published 2 Apr 2026)
- [CVE-2023-7343: Hirschmann Industrial HiVision arbitrary code execution in project files](https://junglewise.ai/threats/cve-2023-7343-hirschmann-industrial-hivision-arbitrary-code-execution-in-project) (high, CVSS 7.8, published 2 Apr 2026)
- [CVE-2020-37216: Hirschmann HiOS denial of service in EtherNet/IP stack](https://junglewise.ai/threats/cve-2020-37216-hirschmann-hios-denial-of-service-in-ethernet-ip-stack) (high, CVSS 7.5, published 3 Apr 2026)
- [CVE-2026-89025: Hirschmann HiOS Switch Platform denial-of-service in web server](https://junglewise.ai/threats/cve-2026-89025-hirschmann-hios-switch-platform-denial-of-service-in-web-server) (high, CVSS 7.5, published 15 Sep 2026)
- [CVE-2024-14033: Hirschmann EagleSDV and HiLCOS denial of service in TLS and Web Interface](https://junglewise.ai/threats/cve-2024-14033-hirschmann-eaglesdv-and-hilcos-denial-of-service-in-tls-and-web) (high, CVSS 7.5, published 2 Apr 2026)
- [CVE-2022-4986: Hirschmann EagleSDV denial of service in TLS session establishment](https://junglewise.ai/threats/cve-2022-4986-hirschmann-eaglesdv-denial-of-service-in-tls-session-establishment) (high, CVSS 7.5, published 2 Apr 2026)
- [CVE-2022-4987: Hirschmann Industrial HiVision untrusted search path in external applications](https://junglewise.ai/threats/cve-2022-4987-hirschmann-industrial-hivision-untrusted-search-path-in-external) (high, CVSS 7.3, published 3 Apr 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 1 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Hirschmann vulnerabilities", https://junglewise.ai/threats/vendors/hirschmann, 9 November 2026.