CVE-2025-65212
Auth bypass on NJHYST HY511 POE core via cookie flaw; reads config and logs into backend.
Is CVE-2025-65212 being exploited?
Not confirmed. CVE-2025-65212 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 5.2% probability of exploitation in the next 30 days.
How severe is CVE-2025-65212?
CVE-2025-65212 is rated Critical with a CVSS score of 9.8. 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-2025-65212?
Not known from our data. No patch reference has been recorded for CVE-2025-65212, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2025-65212 affect?
CVE-2025-65212 affects NJHYST HY511 POE core (pre-2.1), NJHYST plugins (<0.1). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-65212?
Patch when available; restrict management UI; rotate credentials
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker reads core config (username, MD5 password) enabling backend login without auth; potential full device control.
Immediate action required