CVE-2026-33771
Unauthenticated remote takeover via weak password rules in Juniper CTP OS.
Is CVE-2026-33771 being exploited?
Not confirmed. CVE-2026-33771 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 0.26% probability of exploitation in the next 30 days.
How severe is CVE-2026-33771?
CVE-2026-33771 is rated Critical with a CVSS score of 9.1. 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-2026-33771?
Yes. A fix has been recorded for CVE-2026-33771. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-33771 affect?
CVE-2026-33771 affects Juniper CTP OS 9.2R1, Juniper CTP OS 9.2R2. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-33771?
Rotate credentials; restrict/disable remote admin; monitor auth attempts.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote takeover of CTP OS devices by guessing weak passwords due to unenforced rules (9.2R1/9.2R2).
Immediate action required
- affected>= 9.2R1 and <= 9.2R2
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.