CVE-2018-25236
This vulnerability allows attackers to bypass authentication on Hirschmann HiOS and HiSecOS management interfaces. By sending specially crafted HTTP requests, an attacker can gain administrative access without valid credentials. The flaw resides in the HTTP(S) management module.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
Hirschmann HiOS and HiSecOS products: RSP, RSPE, RSPS, RSPL, MSP, EES, EESX, GRS, OS, RED, EAGLE.
Real-world impact
An attacker could take full control of the device, modify configurations, install malware, or disrupt services.
Why this severity
The CVSS score of 9.3 reflects that the vulnerability is remotely exploitable without authentication, grants full administrative privileges, and has a high impact on confidentiality, integrity, and availability.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources
Timeline
- Apr 3, 2026 · Apr 3, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 21, 2026 · 15d agoAdvisory updatedThe NVD record was last revised.