CVE-2018-25236
Auth bypass in Hirschmann HiOS/HiSecOS enables unauthenticated admin access.
Is CVE-2018-25236 being exploited?
Not confirmed. CVE-2018-25236 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.50% probability of exploitation in the next 30 days.
How severe is CVE-2018-25236?
CVE-2018-25236 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2018-25236?
Yes. A fix has been recorded for CVE-2018-25236. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2018-25236 affect?
CVE-2018-25236 affects Hirschmann HiOS/HiSecOS devices (RSP, RSPE, RSPS, RSPL, MSP, EES, EESX, GRS, OS, RED, EAGLE). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2018-25236?
Update firmware when available; restrict management interfaces and monitor.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated admin access via management interface; attacker can take full control of device and config.
Patch when possible
- affected<= 05.07
- affected<= 06.1.04
- affected<= 06.2.00
- affected<= 03.00.02
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.