CVE-2024-14034
Hirschmann HiEOS devices before firmware version 01.1.00 have a flaw that lets attackers log in as administrators without a password. By sending special HTTP requests, a remote attacker can gain full control, including changing settings and firmware. This could let them take over the device.
An official fix is available, so this entry is kept for 30 days and then removed automatically.
Who is affected
Hirschmann HiEOS devices running firmware versions earlier than 01.1.00.
Real-world impact
An attacker could gain administrative access to the device, allowing them to change configurations, download or upload firmware, and otherwise control the device.
Why this severity
The CVSS score of 9.3 reflects that the vulnerability is easy to exploit from the internet, requires no authentication, and gives attackers full administrative control, which can lead to complete takeover of the device.
What to do about it
- 01Upgrade the Hirschmann HiEOS device firmware to version 01.1.00 or later.
NVD description
Timeline
- Apr 2, 2026 · Apr 2, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 24, 2026 · 11d agoAdvisory updatedThe NVD record was last revised.
- Jul 26, 2026 · 10d agoOfficial fix availableA vendor patch or mitigation now exists — see the remediation steps above.